On Aug 27, 2013, at 9:18 AM, Lois Foltan <lois.fol...@oracle.com> wrote:
> Please review the following fix: > open webrev at http://cr.openjdk.java.net/~hseigel/bug_jdk8022407/ > > Bug: > bug link at https://bugs.openjdk.java.net/browse/JDK-8022407 > > Summary of fix: > > The JDK 8 build on MacOS, when built with the Xcode 4.6.2 clang++ compiler, > exhibited a compiler optimization issue when prims/unsafe.cpp was compiled at > the default -Os level. As a work around fix, knock the optimization level > down down to -O0. Why are we lowering to -O0 when you state in the bug report that -O1 also works? What is the code that breaks? -- Chris > > Tests: > MacOS: built fastdebug & product images using clang++ (ran JTREG & > vm.quick.testlist) > built using llvm-g++ to verify prims/unsafe.cpp remained > compiled at -Os > > Thank you, > Lois > >
