nashorn-dev

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2015/10/19 Review request for JDK-8139884: Use privileged blocks when working with class loaders Attila Szegedi
2015/10/19 Re: RFR 8139852: jjs interactive mode fails to work with security manager Hannes Wallnoefer
2015/10/19 Re: Review request for JDK-8139761: Improve Dynalink class nomenclature and package organization Sundararajan Athijegannathan
2015/10/18 Re: Review request for JDK-8139588: Remove concept of runtime context arguments, call site tokens, and link counts Attila Szegedi
2015/10/18 Re: Review request for JDK-8139435: Make sure CallSiteDescriptor.getLookup is subject to a security check Attila Szegedi
2015/10/18 Re: RFR 8139852: jjs interactive mode fails to work with security manager Attila Szegedi
2015/10/18 RFR 8139852: jjs interactive mode fails to work with security manager Sundararajan Athijegannathan
2015/10/18 Re: Review request for JDK-8139756: Eliminate GuardedTypeConversion, DynamicLinker.getCurrentLinkRequest and its associated permission Sundararajan Athijegannathan
2015/10/16 Re: Review request for JDK-8139590: Improve Dynalink JavaDoc Hannes Wallnoefer
2015/10/16 Re: Review request for JDK-8139588: Remove concept of runtime context arguments, call site tokens, and link counts Hannes Wallnoefer
2015/10/16 Re: Review request for JDK-8139435: Make sure CallSiteDescriptor.getLookup is subject to a security check Hannes Wallnoefer
2015/10/16 Re: Review request for JDK-8139304: Remove some obsolete Dynalink classes Hannes Wallnoefer
2015/10/16 Review request for JDK-8139761: Improve Dynalink class nomenclature and package organization Attila Szegedi
2015/10/16 Re: Review request for JDK-8139590: Improve Dynalink JavaDoc Marcus Lagergren
2015/10/16 Review request for JDK-8139756: Eliminate GuardedTypeConversion, DynamicLinker.getCurrentLinkRequest and its associated permission Attila Szegedi
2015/10/15 Re: Developer API docs Sundararajan Athijegannathan
2015/10/15 Re: Developer API docs Tal Liron
2015/10/15 Re: Review request for JDK-8139588: Remove concept of runtime context arguments, call site tokens, and link counts Sundararajan Athijegannathan
2015/10/15 Re: Review request for JDK-8139435: Make sure CallSiteDescriptor.getLookup is subject to a security check Sundararajan Athijegannathan
2015/10/14 Review request for JDK-8139590: Improve Dynalink JavaDoc Attila Szegedi
2015/10/14 Review request for JDK-8139588: Remove concept of runtime context arguments, call site tokens, and link counts Attila Szegedi
2015/10/14 Review request for JDK-8139435: Make sure CallSiteDescriptor.getLookup is subject to a security check Attila Szegedi
2015/10/12 Re: RFR(XS): 8139266: add JSAdapter example with fallthrough Sundararajan Athijegannathan
2015/10/12 Re: RFR: JDK-8131929: Add option for debuggable scopes Marcus Lagergren
2015/10/12 Re: Review request for JDK-8139304: Remove some obsolete Dynalink classes Attila Szegedi
2015/10/12 Re: Review request for JDK-8139282: Remove @author and @id tags from Dynalink JavaDoc; some minor edits Michael Haupt
2015/10/12 Re: RFR(XS): 8139266: add JSAdapter example with fallthrough Hannes Wallnoefer
2015/10/12 Re: Review request for JDK-8139270: Drastically reduce memory footprint of ChainedCallSite Hannes Wallnoefer
2015/10/12 RFR(XS): 8139266: add JSAdapter example with fallthrough Michael Haupt
2015/10/12 Re: Review request for JDK-8139282: Remove @author and @id tags from Dynalink JavaDoc; some minor edits Attila Szegedi
2015/10/11 Re: Review request for JDK-8139270: Drastically reduce memory footprint of ChainedCallSite Sundararajan Athijegannathan
2015/10/11 Re: Review request for JDK-8139304: Remove some obsolete Dynalink classes Sundararajan Athijegannathan
2015/10/11 Re: Review request for JDK-8139304: Remove some obsolete Dynalink classes Sundararajan Athijegannathan
2015/10/11 Re: Review request for JDK-8139282: Remove @author and @id tags from Dynalink JavaDoc; some minor edits Sundararajan Athijegannathan
2015/10/11 Re: Review request for JDK-8139304: Remove some obsolete Dynalink classes Sundararajan Athijegannathan
2015/10/11 Re: Review request for JDK-8139274: Use JDK 8 default method for LinkerServices.asTypeLosslessReturn Sundararajan Athijegannathan
2015/10/11 Re: Review request for JDK-8139273: Small improvements to DynamicLinker and DynamicLinkerFactory Sundararajan Athijegannathan
2015/10/11 Re: Review request for JDK-8139269: Do not expose prune method handles from ChainedCallSite Sundararajan Athijegannathan
2015/10/09 Review request for JDK-8139304: Remove some obsolete Dynalink classes Attila Szegedi
2015/10/09 Re: Review request for JDK-8139270: Drastically reduce memory footprint of ChainedCallSite Attila Szegedi
2015/10/09 Re: Review request for JDK-8139270: Drastically reduce memory footprint of ChainedCallSite Marcus Lagergren
2015/10/09 Re: Review request for JDK-8139274: Use JDK 8 default method for LinkerServices.asTypeLosslessReturn Marcus Lagergren
2015/10/09 Re: Review request for JDK-8139273: Small improvements to DynamicLinker and DynamicLinkerFactory Marcus Lagergren
2015/10/09 Re: Review request for JDK-8139269: Do not expose prune method handles from ChainedCallSite Marcus Lagergren
2015/10/09 Re: Review request for JDK-8139269: Do not expose prune method handles from ChainedCallSite Hannes Wallnoefer
2015/10/09 Re: RFR: JDK-8131929: Add option for debuggable scopes Attila Szegedi
2015/10/09 Review request for JDK-8139282: Remove @author and @id tags from Dynalink JavaDoc; some minor edits Attila Szegedi
2015/10/09 Re: Review request for JDK-8139270: Drastically reduce memory footprint of ChainedCallSite Hannes Wallnoefer
2015/10/09 RFR: JDK-8131929: Add option for debuggable scopes Hannes Wallnoefer
2015/10/09 Review request for JDK-8139274: Use JDK 8 default method for LinkerServices.asTypeLosslessReturn Attila Szegedi
2015/10/09 Review request for JDK-8139273: Small improvements to DynamicLinker and DynamicLinkerFactory Attila Szegedi
2015/10/09 Review request for JDK-8139270: Drastically reduce memory footprint of ChainedCallSite Attila Szegedi
2015/10/09 Review request for JDK-8139269: Do not expose prune method handles from ChainedCallSite Attila Szegedi
2015/10/08 Re: RFR 8139106: ant build/test fails with jigsaw/jake/nashorn Sundararajan Athijegannathan
2015/10/08 Re: RFR 8139106: ant build/test fails with jigsaw/jake/nashorn Marcus Lagergren
2015/10/08 Re: RFR 8139106: ant build/test fails with jigsaw/jake/nashorn Michael Haupt
2015/10/07 RFR 8139106: ant build/test fails with jigsaw/jake/nashorn Sundararajan Athijegannathan
2015/10/07 Re: RFR(XS): 8139047: add test for JSAdapter __getIds__ Hannes Wallnoefer
2015/10/07 Re: RFR(XS): 8139047: add test for JSAdapter __getIds__ Sundararajan Athijegannathan
2015/10/07 RFR(XS): 8139047: add test for JSAdapter __getIds__ Michael Haupt
2015/10/07 Re: RFR(S): 8139038: cleanup and documentation around JSAdapter Hannes Wallnoefer
2015/10/07 Re: RFR(S): 8139038: cleanup and documentation around JSAdapter Attila Szegedi
2015/10/07 RFR(S): 8139038: cleanup and documentation around JSAdapter Michael Haupt
2015/10/07 jdk.nashorn.api.scripting.ScriptUtils.wrap Richard Evans
2015/10/06 Re: What is codebase for compiled Nashorn scripts? Sundararajan Athijegannathan
2015/10/06 What is codebase for compiled Nashorn scripts? Richard Evans
2015/10/06 Re: RFR: 8138758: U+180E not recognized as whitespace by Joni Sundararajan Athijegannathan
2015/10/06 Re: RFR: 8138758: U+180E not recognized as whitespace by Joni Attila Szegedi
2015/10/06 RFR: 8138758: U+180E not recognized as whitespace by Joni Hannes Wallnoefer
2015/10/06 Re: RFR 8138910: Ctrl-D causes jjs to crash with NPE Hannes Wallnoefer
2015/10/06 Re: RFR 8138910: Ctrl-D causes jjs to crash with NPE Attila Szegedi
2015/10/06 RFR 8138910: Ctrl-D causes jjs to crash with NPE Sundararajan Athijegannathan
2015/10/05 Re: Excessive memory usage Michel Krämer
2015/10/05 Re: Excessive memory usage Hannes Wallnoefer
2015/10/05 Excessive memory usage Michel Krämer
2015/10/05 Re: RFR: 8138882: Performance regression due to anonymous classloading Sundararajan Athijegannathan
2015/10/05 Re: RFR: 8138882: Performance regression due to anonymous classloading Attila Szegedi
2015/10/05 RFR: 8138882: Performance regression due to anonymous classloading Hannes Wallnoefer
2015/10/05 Re: RFR: JDK-8137281: OutOfMemoryError with large numeric keys in JSON.parse Marcus Lagergren
2015/10/05 Re: RFR: JDK-8137281: OutOfMemoryError with large numeric keys in JSON.parse Hannes Wallnoefer
2015/10/05 Re: RFR: JDK-8137281: OutOfMemoryError with large numeric keys in JSON.parse Marcus Lagergren
2015/10/02 Re: RFR: JDK-8137281: OutOfMemoryError with large numeric keys in JSON.parse Attila Szegedi
2015/10/02 Re: RFR: JDK-8137281: OutOfMemoryError with large numeric keys in JSON.parse Michael Haupt
2015/10/02 RFR: JDK-8137281: OutOfMemoryError with large numeric keys in JSON.parse Hannes Wallnoefer
2015/10/01 Re: RFR 8138616: invokeFunction fails if function calls a function defined in GLOBAL_SCOPE Attila Szegedi
2015/10/01 Re: RFR 8138616: invokeFunction fails if function calls a function defined in GLOBAL_SCOPE Michael Haupt
2015/10/01 Re: RFR 8138616: invokeFunction fails if function calls a function defined in GLOBAL_SCOPE Hannes Wallnoefer
2015/10/01 Re: RFR 8138616: invokeFunction fails if function calls a function defined in GLOBAL_SCOPE Sundararajan Athijegannathan
2015/10/01 RFR 8138616: invokeFunction fails if function calls a function defined in GLOBAL_SCOPE Sundararajan Athijegannathan
2015/09/30 Re: RFR 8138632: Sparse array does not handle growth of underlying dense array Sundararajan Athijegannathan
2015/09/30 Re: RFR 8138632: Sparse array does not handle growth of underlying dense array Attila Szegedi
2015/09/30 RFR 8138632: Sparse array does not handle growth of underlying dense array Hannes Wallnoefer
2015/09/30 Re: RFR 8138643: nashorn ant build.xml javadoc, javadocapi targets are broken and netbeans makefile does not include shell sources Hannes Wallnoefer
2015/09/30 Re: RFR 8138643: nashorn ant build.xml javadoc, javadocapi targets are broken and netbeans makefile does not include shell sources Sundararajan Athijegannathan
2015/09/30 Re: RFR 8138643: nashorn ant build.xml javadoc, javadocapi targets are broken and netbeans makefile does not include shell sources Attila Szegedi
2015/09/30 RFR 8138643: nashorn ant build.xml javadoc, javadocapi targets are broken and netbeans makefile does not include shell sources Sundararajan Athijegannathan
2015/09/30 Re: Review request for JDK-8137333: Boundless soft caching of property map histories causes high memory pressure Attila Szegedi
2015/09/29 Re: RFR 8137320: jjs should support @argfile to pass command line arguments from a file Hannes Wallnoefer
2015/09/29 Re: RFR 8137320: jjs should support @argfile to pass command line arguments from a file Attila Szegedi
2015/09/29 Re: Review request for JDK-8137333: Boundless soft caching of property map histories causes high memory pressure Hannes Wallnoefer
2015/09/29 Re: RFR 8137320: jjs should support @argfile to pass command line arguments from a file Henry Jen
2015/09/29 RFR 8137320: jjs should support @argfile to pass command line arguments from a file Sundararajan Athijegannathan
2015/09/29 Re: Review request for JDK-8137333: Boundless soft caching of property map histories causes high memory pressure Sundararajan Athijegannathan
2015/09/29 Review request for JDK-8137333: Boundless soft caching of property map histories causes high memory pressure Attila Szegedi
2015/09/28 Re: RFR 8137258: JSObjectLinker and BrowserJSObjectLinker should not expose internal JS objects Hannes Wallnoefer
2015/09/28 Re: RFR 8137258: JSObjectLinker and BrowserJSObjectLinker should not expose internal JS objects Attila Szegedi
2015/09/28 Re: RFR 8137258: JSObjectLinker and BrowserJSObjectLinker should not expose internal JS objects Sundararajan Athijegannathan
2015/09/28 Re: RFR 8137258: JSObjectLinker and BrowserJSObjectLinker should not expose internal JS objects Attila Szegedi
2015/09/28 Re: RFR 8137258: JSObjectLinker and BrowserJSObjectLinker should not expose internal JS objects Sundararajan Athijegannathan
2015/09/28 RFR 8137258: JSObjectLinker and BrowserJSObjectLinker should not expose internal JS objects Sundararajan Athijegannathan
2015/09/28 Re: Review request for JDK-8134502: introduce abstraction for basic NodeVisitor usage Marcus Lagergren
2015/09/28 Re: Review request for JDK-8134502: introduce abstraction for basic NodeVisitor usage Sundararajan Athijegannathan
2015/09/27 Re: Review request for JDK-8134502: introduce abstraction for basic NodeVisitor usage Attila Szegedi
2015/09/27 Re: Review request for JDK-8134502: introduce abstraction for basic NodeVisitor usage Marcus Lagergren
2015/09/25 Re: Review request for JDK-8134502: introduce abstraction for basic NodeVisitor usage Sundararajan Athijegannathan
2015/09/25 Review request for JDK-8134502: introduce abstraction for basic NodeVisitor usage Attila Szegedi
2015/09/25 Re: [8u] approval request for 8137134: invokespecial on indirect super interface is generated by Java adapter generator david buck
2015/09/25 Re: Review request for JDK-8134488: var statement in if(false) block incorrectly evacuated into enclosing function Sundararajan Athijegannathan
2015/09/25 Re: [8u] approval request for 8137134: invokespecial on indirect super interface is generated by Java adapter generator Hannes Wallnoefer
2015/09/25 Re: [8u] approval request for 8137134: invokespecial on indirect super interface is generated by Java adapter generator Attila Szegedi
2015/09/25 Current Level of ES6 Feature Support Blackburn, Clinton
2015/09/25 [8u] approval request for 8137134: invokespecial on indirect super interface is generated by Java adapter generator Sundararajan Athijegannathan
2015/09/25 Re: Review request for JDK-8134490: Dead var statement evacuation incorrectly descends into nested functions Marcus Lagergren
2015/09/25 Re: Review request for JDK-8134488: var statement in if(false) block incorrectly evacuated into enclosing function Hannes Wallnoefer
2015/09/25 Review request for JDK-8134488: var statement in if(false) block incorrectly evacuated into enclosing function Attila Szegedi
2015/09/25 Re: RFR 8137134: invokespecial on indirect super interface is generated by Java adapter generator Hannes Wallnoefer
2015/09/25 Re: How could I inject new buil-iin constructors / objects to nashorn? Sundararajan Athijegannathan
2015/09/25 Re: Review request for JDK-8134490: Dead var statement evacuation incorrectly descends into nested functions Hannes Wallnoefer
2015/09/25 Re: RFR 8137134: invokespecial on indirect super interface is generated by Java adapter generator Attila Szegedi
2015/09/25 Re: RFR 8137134: invokespecial on indirect super interface is generated by Java adapter generator Sundararajan Athijegannathan
2015/09/25 RFR 8137134: invokespecial on indirect super interface is generated by Java adapter generator Sundararajan Athijegannathan
2015/09/24 How could I inject new buil-iin constructors / objects to nashorn? Lev Serebryakov
2015/09/24 Review request for JDK-8134490: Dead var statement evacuation incorrectly descends into nested functions Attila Szegedi
2015/09/24 Re: RFR 8134941: Implement ES6 template literal support Hannes Wallnoefer
2015/09/24 Re: Default methods Axel Dörfler
2015/09/24 Re: Default methods Attila Szegedi
2015/09/24 Re: Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Attila Szegedi
2015/09/24 Default methods Axel Dörfler
2015/09/23 Re: RFR 8136894: test/script/currently-failing/gettersetter.js passes, move it out of currently-failing tests Marcus Lagergren
2015/09/22 Re: RFR 8136894: test/script/currently-failing/gettersetter.js passes, move it out of currently-failing tests Hannes Wallnoefer
2015/09/22 Re: RFR 8136894: test/script/currently-failing/gettersetter.js passes, move it out of currently-failing tests Michael Haupt
2015/09/22 RFR 8136894: test/script/currently-failing/gettersetter.js passes, move it out of currently-failing tests Sundararajan Athijegannathan
2015/09/22 Re: RFR 8136832: property_delete.js tests be moved out from currently-failing Hannes Wallnoefer
2015/09/21 Re: RFR 8136832: property_delete.js tests be moved out from currently-failing Marcus Lagergren
2015/09/21 Re: RFR 8136832: property_delete.js tests be moved out from currently-failing Attila Szegedi
2015/09/21 RFR 8136832: property_delete.js tests be moved out from currently-failing Sundararajan Athijegannathan
2015/09/21 Re: Review request for JDK-8135190: Method code too large in Babel browser.js script Hannes Wallnoefer
2015/09/21 Re: Review request for JDK-8135190: Method code too large in Babel browser.js script Hannes Wallnoefer
2015/09/20 Re: Review request for JDK-8134609: Allow constructors with same prototoype map to share the allocator map Marcus Lagergren
2015/09/18 Re: Review request for JDK-8135190: Method code too large in Babel browser.js script Sundararajan Athijegannathan
2015/09/18 Re: Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Hannes Wallnoefer
2015/09/18 Re: Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Sundararajan Athijegannathan
2015/09/18 Re: Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Hannes Wallnoefer
2015/09/18 Re: Review request for JDK-8135190: Method code too large in Babel browser.js script Hannes Wallnoefer
2015/09/18 Re: Review request for JDK-8135190: Method code too large in Babel browser.js script Sundararajan Athijegannathan
2015/09/18 Re: Review request for JDK-8135190: Method code too large in Babel browser.js script Attila Szegedi
2015/09/18 Re: Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Sundararajan Athijegannathan
2015/09/18 Review request for JDK-8135190: Method code too large in Babel browser.js script Hannes Wallnoefer
2015/09/18 Re: Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Attila Szegedi
2015/09/17 Re: Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Sundararajan Athijegannathan
2015/09/17 Re: Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Attila Szegedi
2015/09/17 Re: Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Michael Haupt
2015/09/17 Re: Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Michael Haupt
2015/09/17 Review request for JDK-8136700: Make sure Context.anonymousHostClasses doesn't grow unbounded Attila Szegedi
2015/09/17 Re: RFR 8136694: Megemorphic scope access does not throw ReferenceError when property is missing Hannes Wallnoefer
2015/09/17 Re: RFR 8136694: Megemorphic scope access does not throw ReferenceError when property is missing Attila Szegedi
2015/09/17 RFR 8136694: Megemorphic scope access does not throw ReferenceError when property is missing Sundararajan Athijegannathan
2015/09/17 Re: Review request for JDK-8136647: Syntactic error accidentally left in JDK-8135251 changeset Michael Haupt
2015/09/16 Re: Review request for JDK-8136647: Syntactic error accidentally left in JDK-8135251 changeset Sundararajan Athijegannathan
2015/09/16 Review request for JDK-8136647: Syntactic error accidentally left in JDK-8135251 changeset Attila Szegedi
2015/09/16 Re: Review request for JDK-8135251: Use Unsafe.defineAnonymousClass for loading Nashorn script code Sundararajan Athijegannathan
2015/09/16 Re: Review request for JDK-8135251: Use Unsafe.defineAnonymousClass for loading Nashorn script code Attila Szegedi
2015/09/16 Re: Review request for JDK-8135251: Use Unsafe.defineAnonymousClass for loading Nashorn script code Attila Szegedi
2015/09/16 Re: Review request for JDK-8135251: Use Unsafe.defineAnonymousClass for loading Nashorn script code Hannes Wallnoefer
2015/09/16 Re: Review request for JDK-8135251: Use Unsafe.defineAnonymousClass for loading Nashorn script code David M. Lloyd
2015/09/16 Re: Review request for JDK-8135251: Use Unsafe.defineAnonymousClass for loading Nashorn script code Alan Bateman
2015/09/16 Re: Review request for JDK-8135251: Use Unsafe.defineAnonymousClass for loading Nashorn script code Alan Bateman
2015/09/16 Re: Review request for JDK-8135251: Use Unsafe.defineAnonymousClass for loading Nashorn script code Magnus Ihse Bursie
2015/09/16 Re: Review request for JDK-8135251: Use Unsafe.defineAnonymousClass for loading Nashorn script code Alan Bateman
2015/09/16 Re: Review request for JDK-8135251: Use Unsafe.defineAnonymousClass for loading Nashorn script code Magnus Ihse Bursie
2015/09/16 Re: Review request for JDK-8134609: Allow constructors with same prototoype map to share the allocator map Sundararajan Athijegannathan
2015/09/16 Re: RFR 8136544: Call site switching to megamorphic causes incorrect property read Michael Haupt
2015/09/16 Re: Review request for JDK-8134609: Allow constructors with same prototoype map to share the allocator map Attila Szegedi
2015/09/16 Re: RFR 8136544: Call site switching to megamorphic causes incorrect property read Attila Szegedi
2015/09/16 Re: RFR 8136544: Call site switching to megamorphic causes incorrect property read Sundararajan Athijegannathan
2015/09/16 Re: Review request for JDK-8133300: Ensure symbol table immutability in Nashorn AST Sundararajan Athijegannathan
2015/09/16 Re: Review request for JDK-8134609: Allow constructors with same prototoype map to share the allocator map Hannes Wallnoefer
2015/09/16 Re: RFR 8136544: Call site switching to megamorphic causes incorrect property read Michael Haupt
2015/09/16 Re: Get nashron work in opnjdk8 Sundararajan Athijegannathan
2015/09/16 Re: Get nashron work in opnjdk8 ninghua
2015/09/15 Re: Review request for JDK-8133300: Ensure symbol table immutability in Nashorn AST Marcus Lagergren
2015/09/15 RFR 8136544: Call site switching to megamorphic causes incorrect property read Sundararajan Athijegannathan
2015/09/15 Re: Review request for JDK-8133300: Ensure symbol table immutability in Nashorn AST Attila Szegedi
2015/09/15 Re: Review request for JDK-8133300: Ensure symbol table immutability in Nashorn AST Attila Szegedi
2015/09/15 Re: RFR 8080501: javaarrayconversion.js test is flawed Attila Szegedi
2015/09/15 Re: RFR 8080501: javaarrayconversion.js test is flawed Hannes Wallnoefer
2015/09/15 RFR 8080501: javaarrayconversion.js test is flawed Sundararajan Athijegannathan
2015/09/15 WebAssembly Sebastien Deleuze
2015/09/15 Re: [8u] approval request for 8055917: jdk.nashorn.internal.codegen.CompilationPhase$N should be renamed to proper classes Seán Coffey
2015/09/15 Re: [8u] approval request for 8055917: jdk.nashorn.internal.codegen.CompilationPhase$N should be renamed to proper classes Michael Haupt