[LLVMdev] llvm-gcc 4.2 assertion failed on linux x86_64

[Chandler Carruth]

Hello,

Trying to get my machine building up-to-date, and a nightly going, i
ran into an assertion during the build of llvm-gcc 4.2:

$ make -j2
<snip!>
/home/chandlerc/code/compilers/build/llvm-gcc/./gcc/xgcc
-B/home/chandlerc/code/compilers/build/llvm-gcc/./gcc/
-B/home/chandlerc/code/compilers/install/llvm-gcc/x86_64-pc-linux-gnu/bin/
-B/home/chandlerc/code/compilers/install/llvm-gcc/x86_64-pc-linux-gnu/lib/
-isystem /home/chandlerc/code/compilers/install/llvm-gcc/x86_64-pc-linux-gnu/include
-isystem /home/chandlerc/code/compilers/install/llvm-gcc/x86_64-pc-linux-gnu/sys-include
 -O2  -O2 -march=k8 -mfpmath=sse -pipe  -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/home/chandlerc/code/compilers/llvm-gcc/gcc
-I/home/chandlerc/code/compilers/llvm-gcc/gcc/.
-I/home/chandlerc/code/compilers/llvm-gcc/gcc/../include
-I/home/chandlerc/code/compilers/llvm-gcc/gcc/../libcpp/include
-I/home/chandlerc/code/compilers/llvm-gcc/gcc/../libdecnumber
-I../libdecnumber -I/home/chandlerc/code/compilers/llvm/include
-I/home/chandlerc/code/compilers/build/llvm/include -DL_powitf2 -c
/home/chandlerc/code/compilers/llvm-gcc/gcc/libgcc2.c -o
libgcc/./_powitf2.o
cc1: /home/chandlerc/code/compilers/llvm-gcc/gcc/llvm-types.cpp:81:
const llvm::Type* llvm_set_type(tree_node*, const llvm::Type*):
Assertion `(!(__extension__ ({ const tree __t = (Tr); if
(tree_code_type[(int) (((enum tree_code) (__t)->common.code))] !=
(tcc_type)) tree_class_check_failed (__t, (tcc_type),
"/home/chandlerc/code/compilers/llvm-gcc/gcc/llvm-types.cpp", 81,
__FUNCTION__); __t; })->type.size) || !Ty->isSized() ||
!isInt64((__extension__ ({ const tree __t = (Tr); if
(tree_code_type[(int) (((enum tree_code) (__t)->common.code))] !=
(tcc_type)) tree_class_check_failed (__t, (tcc_type),
"/home/chandlerc/code/compilers/llvm-gcc/gcc/llvm-types.cpp", 81,
__FUNCTION__); __t; })->type.size), true) || getInt64((__extension__
({ const tree __t = (Tr); if (tree_code_type[(int) (((enum tree_code)
(__t)->common.code))] != (tcc_type)) tree_class_check_failed (__t,
(tcc_type), "/home/chandlerc/code/compilers/llvm-gcc/gcc/llvm-types.cpp",
81, __FUNCTION__); __t; })->type.size), true) ==
getTargetData().getABITypeSizeInBits(Ty)) && "LLVM type size doesn't
match GCC type size!"' failed.
/home/chandlerc/code/compilers/llvm-gcc/gcc/libgcc2.c: In function '__powixf2':
/home/chandlerc/code/compilers/llvm-gcc/gcc/libgcc2.c:1765: internal
compiler error: Aborted

My configure:
.../configure   --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu
--prefix=/home/chandlerc/code/compilers/install/llvm-gcc
--disable-multilib --disable-shared
--enable-llvm=/home/chandlerc/code/compilers/build/llvm
--program-prefix=llvm- --enable-languages=c,c++

If more information would help, just let me know.

-Chandler