Explicitly specify "signed char" when testing extensions.

The ARM ABIs specify that char is unsigned by default, in contrast to many
others. This test seemed more concerned about the extensions that get applied
to "signed char" than whether that's the default so just add "signed" to the
types.


git-svn-id: https://llvm.org/svn/llvm-project/test-suite/trunk@172716 91177308-0d34-0410-b5e6-96231b3b80d8
Re-enable #pragma openmp as suggested by Duncan Sands

- openmp is supported by dragonegg
- #pragma openmp is ignored by clang


git-svn-id: https://llvm.org/svn/llvm-project/test-suite/trunk@173057 91177308-0d34-0410-b5e6-96231b3b80d8
add -lstdc++ to smallpt LDFLAGS

- necessary when TEST=profile

Patch from Alastair Murray


git-svn-id: https://llvm.org/svn/llvm-project/test-suite/trunk@173059 91177308-0d34-0410-b5e6-96231b3b80d8
Reorder some environment variable settings to be actually useful.

git-svn-id: https://llvm.org/svn/llvm-project/test-suite/trunk@173089 91177308-0d34-0410-b5e6-96231b3b80d8
This test fixes the special compile rules for 7zip so that .bc files can be properly compiled if they are a target.

This fixes 'make TEST=profile'. Patch by Alastair Murray.

git-svn-id: https://llvm.org/svn/llvm-project/test-suite/trunk@173091 91177308-0d34-0410-b5e6-96231b3b80d8
Add missing include of Makefile.config to Altivec Makefile.

git-svn-id: https://llvm.org/svn/llvm-project/test-suite/trunk@173167 91177308-0d34-0410-b5e6-96231b3b80d8