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[Bug middle-end/34403] [4.3 regression] wrong frequency of block
- From: "ebotcazou at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Dec 2007 10:20:41 -0000
- Subject: [Bug middle-end/34403] [4.3 regression] wrong frequency of block
- References: <bug-34403-12387@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from ebotcazou at gcc dot gnu dot org 2007-12-10 10:20 -------
Minimal C testcase:
void foo(char *dest, char *src)
{
__builtin_memcpy (dest, src, 0x0fffffffc);
}
eric@linux:~/build/gcc/native32> gcc/xgcc -Bgcc -O pr34403.c
pr34403.c: In function 'foo':
pr34403.c:4: error: verify_flow_info: Wrong frequency of block 7 -1247
pr34403.c:4: error: verify_flow_info: Wrong frequency of block 6 -2248
pr34403.c:4: error: verify_flow_info: Wrong probability of edge 5->5 12499
pr34403.c:4: error: verify_flow_info: Wrong probability of edge 5->6 -2499
pr34403.c:4: internal compiler error: verify_flow_info failed
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See <http://gcc.gnu.org/bugs.html> for instructions.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34403