[LLVMdev] llvm-gcc bootstrap failure

[Andrew Haley]

David Greene wrote:
> I'm getting the following when building llvm-gcc with an optimized set of
> LLVM libraries:
> 
> /ptmp/dag/build.llvm-gcc-4.2.trunk.official.opt/x86_64-unknown-linux-gnu/./gcc/xgcc 
> -B/ptmp/dag/build.llvm-gcc-4.2.trunk.official.opt/x86_64-unknown-linux-gnu/./gcc/ 
> -B/cray/iss/compiler/cost/tools/llvm-tools/llvm/install.trunk.official.opt/x86_64-unknown-linux-gnu/x86_64-unknown-linux-gnu/bin/ 
> -B/cray/iss/compiler/cost/tools/llvm-tools/llvm/install.trunk.official.opt/x86_64-unknown-linux-gnu/x86_64-unknown-linux-gnu/lib/ 
> -isystem /cray/iss/compiler/cost/tools/llvm-tools/llvm/install.trunk.official.opt/x86_64-unknown-linux-gnu/x86_64-unknown-linux-gnu/include 
> -isystem /cray/iss/compiler/cost/tools/llvm-tools/llvm/install.trunk.official.opt/x86_64-unknown-linux-gnu/x86_64-unknown-linux-gnu/sys-include  
> -O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes 
> -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -g 
> -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -I. -I. 
> -I/ptmp/dag/llvm-project.official/llvm-gcc-4.2/trunk/gcc 
> -I/ptmp/dag/llvm-project.official/llvm-gcc-4.2/trunk/gcc/. 
> -I/ptmp/dag/llvm-project.official/llvm-gcc-4.2/trunk/gcc/../include 
> -I/ptmp/dag/llvm-project.official/llvm-gcc-4.2/trunk/gcc/../libcpp/include  
> -I/ptmp/dag/llvm-project.official/llvm-gcc-4.2/trunk/gcc/../libdecnumber 
> -I../libdecnumber 
> -I/ptmp/dag/build.llvm.trunk.official.opt/x86_64-unknown-linux-gnu/include 
> -I/ptmp/dag/llvm-project.official/llvm/trunk/include -DL_popcountsi2 
> -c /ptmp/dag/llvm-project.official/llvm-gcc-4.2/trunk/gcc/libgcc2.c -o 
> libgcc/./_popcountsi2.o
> cc1: /ptmp/dag/llvm-project.official/llvm/trunk/lib/Support/StringMap.cpp:177: 
> void llvm::StringMapImpl::RemoveKey(llvm::StringMapEntryBase*): Assertion `V 
> == V2 && "Didn't find key?"' failed.
> /ptmp/dag/llvm-project.official/llvm-gcc-4.2/trunk/gcc/libgcc2.c:809: internal 
> compiler error: Aborted

Unless this is in something like an inline asm, an internal compiler
error is always a gcc bug.  You should probably upgrade your gcc: you
don't say exactly what version it is.

Andrew.