Extended Description

When using llvm/clang (r161493) to compile llvm/clang (r161724), the following error is produced.

make[5]: Entering directory /usr/local/src/llvm/llvm/projects/compiler-rt' MKDIR: /usr/local/src/llvm/build/tools/clang/runtime/compiler-rt/clang_linux/full-i386/i386/SubDir.lib COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/absvdi2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/absvsi2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/absvti2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/adddf3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/addsf3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/addvdi3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/addvsi3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/addvti3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/apple_versioning.c MKDIR: /usr/local/src/llvm/build/tools/clang/runtime/compiler-rt/clang_linux/full-i386/i386/SubDir.lib__i386 ASSEMBLE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/i386/ashldi3.S COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/ashlti3.c ASSEMBLE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/i386/ashrdi3.S COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/ashrti3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/clear_cache.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/clzdi2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/clzsi2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/clzti2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/cmpdi2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/cmpti2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/comparedf2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/comparesf2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/ctzdi2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/ctzsi2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/ctzti2.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/divdc3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/divdf3.c ASSEMBLE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/i386/divdi3.S COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/divmoddi4.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/divmodsi4.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/divsc3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/divsf3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/divsi3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/divti3.c COMPILE: clang_linux/full-i386/i386: /usr/local/src/llvm/llvm/projects/compiler-rt/lib/divxc3.c fatal error: error in backend: Cannot select: 0xaf1aae0: f80,glue = X86ISD::CMOV 0xaf159c0, 0xaf15608, 0xaf1a9d0, 0xaf19fa0 [ID=30] 0xaf159c0: f80,ch = load 0xaef2250, 0xaf15690, 0xaf15828<LD4[ConstantPool], anyext from f32> [ID=26] 0xaf15690: i32 = add 0xaf1a138, 0xaf163d8 [ID=23] 0xaf1a138: i32 = X86ISD::GlobalBaseReg [ID=13] 0xaf163d8: i32 = X86ISD::Wrapper 0xaf1a0b0 [ID=20] 0xaf1a0b0: i32 = TargetConstantPool<float 0x7FF0000000000000> 0 [TF=4] [ID=12] 0xaf15828: i32 = undef [ID=8] 0xaf15608: f80,ch = load 0xaef2250, 0xaf15580, 0xaf15828<LD4[ConstantPool], anyext from f32> [ID=27] 0xaf15580: i32 = add 0xaf1a138, 0xaf19b60 [ID=24] 0xaf1a138: i32 = X86ISD::GlobalBaseReg [ID=13] 0xaf19b60: i32 = X86ISD::Wrapper 0xaf16020 [ID=21] 0xaf16020: i32 = TargetConstantPool<float 0xFFF0000000000000> 0 [TF=4] [ID=15] 0xaf15828: i32 = undef [ID=8] 0xaf1a9d0: i8 = Constant<15> [ID=14] 0xaf19fa0: i32 = X86ISD::CMP 0xaf19588, 0xaf1a1c0 [ID=29] 0xaf19588: i32 = shl 0xaf1ac78, 0xaf19c70 [ID=28] 0xaf1ac78: i32,ch = load 0xaf1a028, 0xaf15718, 0xaf15828<LD4[FixedStack1+8]> [ID=25] 0xaf15718: i32 = add 0xaf15cf0, 0xaf15e88 [ID=19] 0xaf15cf0: i32 = FrameIndex<1> [ID=7] 0xaf15e88: i32 = Constant<8> [ID=9] 0xaf15828: i32 = undef [ID=8] 0xaf19c70: i8 = Constant<16> [ID=10] 0xaf1a1c0: i32 = Constant<0> [ID=11] In function: __divxc3 make[5]: *** [/usr/local/src/llvm/build/tools/clang/runtime/compiler-rt/clang_linux/full-i386/i386/SubDir.lib/divxc3.o] Error 1 make[5]: Leaving directory /usr/local/src/llvm/llvm/projects/compiler-rt'
make[4]: *** [BuildRuntimeLibraries] Error 2
make[4]: Leaving directory /usr/local/src/llvm/build/tools/clang/runtime/compiler-rt' make[3]: *** [compiler-rt/.makeall] Error 2 make[3]: Leaving directory /usr/local/src/llvm/build/tools/clang/runtime'
make[2]: *** [all] Error 1
make[2]: Leaving directory /usr/local/src/llvm/build/tools/clang' make[1]: *** [clang/.makeall] Error 2 make[1]: Leaving directory /usr/local/src/llvm/build/tools'
make: *** [all] Error 1