FAIL: Clang :: CodeGen/avx-builtins.c (1760 of 11337) ******************** TEST 'Clang :: CodeGen/avx-builtins.c' FAILED ******************** Script: -- /usr/lib64/llvm/6/bin/clang -cc1 -internal-isystem /usr/lib64/llvm/6/bin/../../../../lib/clang/6.0.0/include -nostdsysteminc -ffreestanding /var/tm p/portage/sys-devel/clang-9999/work/x/y/clang-9999/test/CodeGen/avx-builtins.c -triple=x86_64-apple-darwin -target-feature +avx -emit-llvm -o - -Wa ll -Werror | /usr/lib64/llvm/6/bin/FileCheck /var/tmp/portage/sys-devel/clang-9999/work/x/y/clang-9999/test/CodeGen/avx-builtins.c /usr/lib64/llvm/6/bin/clang -cc1 -internal-isystem /usr/lib64/llvm/6/bin/../../../../lib/clang/6.0.0/include -nostdsysteminc -ffreestanding /var/tm p/portage/sys-devel/clang-9999/work/x/y/clang-9999/test/CodeGen/avx-builtins.c -triple=x86_64-apple-darwin -target-feature +avx -fno-signed-char -e mit-llvm -o - -Wall -Werror | /usr/lib64/llvm/6/bin/FileCheck /var/tmp/portage/sys-devel/clang-9999/work/x/y/clang-9999/test/CodeGen/avx-builtins.c -- Exit Code: 2 ...and so on. It uses the installed clang instead of the copy it just built. I don't think it used to do that before, so we need to figure out what changed.