[Bug tree-optimization/31037] New: [4.3 Regression] ICE: verify_ssa failed

["tbm at cyrius dot com" <gcc-bugzilla at gcc dot gnu dot org>]

I get the following ICE compiling Thunderbird with GCC 4.3.  pinskia says it's
related to PR31036 but that it's worth filing a separate bug.

(sid)2723:tbm@em64t: ~] /usr/lib/gcc-snapshot/bin/g++ -c -O1 -fno-exceptions
-fcheck-new icedove-xpccomponents.ii
xpccomponents.cpp: In member function 'nsresult
nsXPCComponents_utils_Sandbox::CallOrConstruct(nsIXPConnectWrappedNative*,
JSContext*, JSObject*, PRUint32, jsval*, jsval*, PRBool*)':
xpccomponents.cpp:2407: error: definition in block 23 does not dominate use in
block 32
for SSA_NAME: NMT.14386_417 in statement:
NMT.14386_131 = PHI <NMT.14386_417(23), NMT.14386_283(D)(17),
NMT.14386_283(D)(18), NMT.14386_417(32)>
PHI argument
NMT.14386_417
for PHI node
NMT.14386_131 = PHI <NMT.14386_417(23), NMT.14386_283(D)(17),
NMT.14386_283(D)(18), NMT.14386_417(32)>
xpccomponents.cpp:2407: internal compiler error: verify_ssa failed
Please submit a full bug report,


-- 
           Summary: [4.3 Regression] ICE: verify_ssa failed
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tbm at cyrius dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31037