[PowerPC][Clang] Remove use of malloc in mm_malloc

Remove dependency of malloc in implementation of mm_malloc function in PowerPC
intrinsics and alignment assumption on glibc.

Reviewed By: Hal Finkel

Differential Revision: https://reviews.llvm.org/D64850


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@366406 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed