Improve formatting of function types.

Before: void * (*a)(int *, SomeType *);
After:  void *(*a)(int *, SomeType *);

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178474 91177308-0d34-0410-b5e6-96231b3b80d8
[libclang] Make clang_Cursor_getArgument work with call-exprs.

Patch by Matthias Kleine!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178475 91177308-0d34-0410-b5e6-96231b3b80d8
Add test for PR12527 (bug has apparently already been fixed).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178476 91177308-0d34-0410-b5e6-96231b3b80d8
Thread safety analysis:  Turn on checking for non-scalar types by default.
These were previously enabled as a "beta" feature, but they have now been
extensively tested.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178478 91177308-0d34-0410-b5e6-96231b3b80d8
Cleanup.  No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178481 91177308-0d34-0410-b5e6-96231b3b80d8