http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55309
Jack Howarth <howarth at nitro dot med.uc.edu> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |howarth at nitro dot | |med.uc.edu --- Comment #40 from Jack Howarth <howarth at nitro dot med.uc.edu> 2013-02-12 14:00:15 UTC --- (In reply to comment #23) > #1 afaict, the asan pass happens in the middle of the gcc optimization flow. > imho it should happen as late as possible so that the instrumentation > happens on fully optimized code. I can confirm this is the case from my experiments compiling xplor-nih with -fsanitize=address. This code is habitually miscompiled by gfortran at the higher optimizations levels. The addition of the -fsanitize=address flag to the build suppresses most of the xplor-nih testsuite failures indicating that it has changed the code optimization in gfortran. Is there any chance of moving the asan pass or is that definitely stage 1 material?