Fix test: config.h is not guaranteed to exist at the location in 
question.  Use __builtin_alloca instead, which is guaranteed to mean the right
thing without any includes.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64868 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed