http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48855
Summary: [4.7 Regression] LTO profiledbootstrap failure
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: hjl.to...@gmail.com
On Linux/x86-64, revision 173309 configured with
../src-trunk/configure \
--enable-clocale=gnu --with-system-zlib --enable-shared
--with-demangler-in-ld --enable-cloog-backend=isl
--with-ppl-include=/opt/gnu/include --with-ppl-lib=/opt/gnu/lib64
--with-cloog-include=/opt/gnu/include --with-cloog-lib=/opt/gnu/lib64
--with-build-config=bootstrap-lto --with-fpmath=sse
--enable-languages=c,c++,fortran,java,lto,objc
gave me:
http://gcc.gnu.org/ml/gcc-regression/2011-05/msg00063.html
../../src-trunk/gcc/ira-color.c: In function 'improve_allocation':
../../src-trunk/gcc/ira-color.c:4512:1: error: corrupted profile info: profile
data is not flow-consistent
../../src-trunk/gcc/ira-color.c:4512:1: error: corrupted profile info: number
of executions for edge 44-45 thought to be -3942
../../src-trunk/gcc/ira-color.c:4512:1: error: corrupted profile info: number
of executions for edge 44-46 thought to be 1580350
../../src-trunk/gcc/ira-color.c:4512:1: error: corrupted profile info: number
of iterations for basic block 45 thought to be -3942
../../src-trunk/gcc/ira-color.c:4512:1: error: corrupted profile info: number
of executions for edge 95-96 thought to be -114
../../src-trunk/gcc/ira-color.c:4512:1: error: corrupted profile info: number
of executions for edge 95-1 thought to be 114
make[6]: *** [ira-color.o] Error 1
Revision 173299 is OK.
