Comment #4 on issue 4132 by bugdro...@chromium.org: Improve performance when break points are set.
https://code.google.com/p/v8/issues/detail?id=4132#c4
The following revision refers to this bug:https://chromium.googlesource.com/v8/v8.git/+/c1669450834436508e0007885eb7ac266cbcf083
commit c1669450834436508e0007885eb7ac266cbcf083 Author: yangguo <yang...@chromium.org> Date: Fri Jun 19 14:40:22 2015 Keep a canonical list of shared function infos. Each Script object now keeps a WeakFixedArray of SharedFunctionInfo objects created from this script. This way, when compiling a function, we do not create duplicate shared function info objects when recompiling with either compiler. This fixes a class of issues in the debugger, where we set break points on one shared function info, but functions from duplicate shared function infos are not affected. LOG=N BUG=v8:4132 Review URL: https://codereview.chromium.org/1183733006 Cr-Commit-Position: refs/heads/master@{#29151}[modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/arm/full-codegen-arm.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/arm64/full-codegen-arm64.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/ast.cc
[modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/ast.h[modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/bootstrapper.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/codegen.h [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/compiler.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/compiler.h [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/compiler/ast-graph-builder.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/debug.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/factory.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/full-codegen.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/hydrogen.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/ia32/full-codegen-ia32.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/liveedit.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/mips/full-codegen-mips.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/mips64/full-codegen-mips64.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/objects-inl.h [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/objects-printer.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/objects.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/objects.h [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/ppc/full-codegen-ppc.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/runtime/runtime-function.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/snapshot/serialize.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/typing.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/x64/full-codegen-x64.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/src/x87/full-codegen-x87.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/test/cctest/test-heap.cc [modify] http://crrev.com/c1669450834436508e0007885eb7ac266cbcf083/test/mjsunit/regress/regress-4121.js
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