LLVM ERROR: trying to redefine an CPI interface function

[pjlantz]

I'm using the tarball from your webpage and I get the following errors when compiling the basic.c test code.

clang -flto -fcps -O0 -v test.c
clang version 3.3.1
Target: i386-pc-linux-gnu
Thread model: posix
"/usr/local/bin/clang-3.3" -cc1 -triple i386-pc-linux-gnu -emit-llvm-bc -disable-free -main-file-name test.c -mrelocation-model static -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -fuse-init-array -target-cpu pentium4 -v -resource-dir /usr/local/bin/../lib/clang/3.3.1 -internal-isystem /usr/local/include -internal-isystem /usr/local/bin/../lib/clang/3.3.1/include -internal-externc-isystem /usr/include/i386-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O0 -fdebug-compilation-dir /home/peppe -ferror-limit 19 -fmessage-length 106 -fcps -fcpi-at-lto -stack-protector 3 -mstackrealign -fobjc-runtime=gcc -fobjc-default-synthesize-properties -fdiagnostics-show-option -fcolor-diagnostics -backend-option -vectorize-loops -o /tmp/test-ViCZ1a.o -x c test.c
clang -cc1 version 3.3.1 based upon LLVM 3.3.1 default target i386-pc-linux-gnu
ignoring nonexistent directory "/include"

include "..." search starts here:

include <...> search starts here:

/usr/local/include
/usr/local/bin/../lib/clang/3.3.1/include
/usr/include/i386-linux-gnu
/usr/include
End of search list.
"/usr/bin/ld" -z relro --hash-style=gnu --build-id --eh-frame-hdr -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o a.out /usr/lib/gcc/i686-linux-gnu/4.9/../../../i386-linux-gnu/crt1.o /usr/lib/gcc/i686-linux-gnu/4.9/../../../i386-linux-gnu/crti.o /usr/lib/gcc/i686-linux-gnu/4.9/crtbegin.o -L/usr/lib/gcc/i686-linux-gnu/4.9 -L/usr/lib/gcc/i686-linux-gnu/4.9/../../../i386-linux-gnu -L/usr/lib/gcc/i686-linux-gnu/4.9/../../../../lib32 -L/lib/i386-linux-gnu -L/usr/lib/i386-linux-gnu -L/usr/lib/../lib32 -L/usr/lib/gcc/i686-linux-gnu/4.9/../../.. -L/lib -L/usr/lib -plugin /usr/local/bin/../lib/LLVMgold.so -plugin-opt=mcpu=pentium4 /tmp/test-ViCZ1a.o /usr/local/bin/../lib/clang/3.3.1/lib/linux/libclang_rt.cps-i386.a -ldl /usr/local/bin/../lib/clang/3.3.1/lib/linux/libclang_rt.safestack-i386.a -ldl -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/lib/gcc/i686-linux-gnu/4.9/crtend.o /usr/lib/gcc/i686-linux-gnu/4.9/../../../i386-linux-gnu/crtn.o
void (i8**, i8_, <2 x i32>)_ bitcast (void (i8**, i8_, i64)_ @__llvm__cpi_set_bounds to void (i8*, i8, <2 x i32>)*)
LLVM ERROR: trying to redefine an CPI interface function
clang-3.3: error: linker command failed with exit code 1 (use -v to see invocation)

[xjtuwxg]

I also got this issue when running their test program:

~/cpi/build-cmake/bin/clang -flto -fcps -O0 -c -emit-llvm basic.c -o basic.bc
~/cpi/build-cmake/bin/llvm-dis basic.bc
~/cpi/build-cmake/bin/clang -flto -fcps -O0 -c -emit-llvm arg_fct.c -o arg_fct.bc
~/cpi/build-cmake/bin/llvm-dis arg_fct.bc
~/cpi/build-cmake/bin/clang++ -flto -fcps -O0 -std=c++11 -c -emit-llvm vtable.cc -o vtable.bc
~/cpi/build-cmake/bin/llvm-dis vtable.bc
~/cpi/build-cmake/bin/clang -flto -fcps -O0 basic.c -o basic
void (i8**, i8_, <2 x i32>)_ bitcast (void (i8**, i8_, i64)_ @__llvm__cpi_set_bounds to void (i8*, i8, <2 x i32>))
LLVM ERROR: trying to redefine an CPI interface function
clang-3.3: error: linker command failed with exit code 1 (use -v to see invocation)
make: ** [basic] Error 1
rm basic.bc vtable.bc arg_fct.bc