[Bug middle-end/50867] New: [4.7 Regression] LTO bootstrap failed with bootstrap-profiled

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50867

             Bug #: 50867
           Summary: [4.7 Regression] LTO bootstrap failed with
                    bootstrap-profiled
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


On Linux/x86, revision 180409 failed LTO bootstrap with bootstrap-profiled:

../../src-trunk/gcc/cfgexpand.c: In function 'gimple_expand_cfg':
../../src-trunk/gcc/cfgexpand.c:4150:1: error: definition in block 188 does not
dominate use in block 185
for SSA_NAME: .MEM_2142 in statement:
.MEM_2142 = PHI <.MEM_2288(186), .MEM_2142(185)>
PHI argument
.MEM_2142
for PHI node
.MEM_2142 = PHI <.MEM_2288(186), .MEM_2142(185)>
../../src-trunk/gcc/cfgexpand.c:4150:1: internal compiler error: verify_ssa
failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[7]: *** [/tmp/ccSmFI9I.ltrans2.ltrans.o] Error 1
lto-wrapper: make returned 2 exit status
/usr/local/x86_64-unknown-linux-gnu/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status

Revision 180329 is OK.