http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59099
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jamborm at gcc dot gnu.org Target Milestone|--- |4.9.0 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- It is caused by r204698. I also saw: FAIL: gcc.dg/ira-shrinkwrap-prep-1.c scan-rtl-dump ira "Split live-range of register" FAIL: gcc.dg/ira-shrinkwrap-prep-1.c scan-rtl-dump ira "Will split live ranges of parameters" FAIL: gcc.dg/ira-shrinkwrap-prep-1.c scan-rtl-dump pro_and_epilogue "Performing shrink-wrapping" FAIL: gcc.dg/ira-shrinkwrap-prep-2.c scan-rtl-dump ira "Split live-range of register" FAIL: gcc.dg/ira-shrinkwrap-prep-2.c scan-rtl-dump ira "Will split live ranges of parameters" FAIL: gcc.dg/ira-shrinkwrap-prep-2.c scan-rtl-dump pro_and_epilogue "Performing shrink-wrapping" on x86-64.