Bug 496416 – sys-devel/gcc-4.9 [ICE] verify_gimple failed with sys-devel/llvm-3.3-r2

• Status: RESOLVED UPSTREAM
• Product: Gentoo Linux

[Description David Kredba 2013-12-29 17:36:24 UTC]

x86_64-pc-linux-gnu-g++ -m32 -fvisibility-inlines-hidden -fno-exceptions -fPIC -O2 -ggdb -pipe -march=native -mtune=native  -flto=4 -pedantic -c ./testcase.i./testcase.i: In member function ‘llvm::Value* {anonymous}::LibCallOptimization::OptimizeCall(llvm::CallInst*, llvm::DataLayout*, llvm::TargetLibraryInfo*, llvm::IRBuilder<>&)’:
./testcase.i:225:12: error: LHS in noreturn call
     Value *OptimizeCall (CallInst * CI, DataLayout *, TargetLibraryInfo *,
            ^
D.2995 = __builtin_unreachable (this, D.2998, 0B, MEM[(const struct IRBuilder &)B]);
./testcase.i:225:12: internal compiler error: verify_gimple failed
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Crashes the same way without -flto.

Gcc-4.8.2 not ICEs but fails other way with -flto but succeeds without -flto.

Reproducible: Always

[Comment 1 David Kredba 2013-12-29 17:36:46 UTC]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59622

[Comment 2 Ryan Hill (RETIRED) 2013-12-30 00:41:39 UTC]

Because this is an ICE and not a porting bug it shouldn't block the tracker.

[Comment 3 David Kredba 2013-12-30 07:30:40 UTC]

OK, Thank you.