[msan] Mark one test as only supported on x86
[msan] Mark one test as only supported on x86

Summary: This test uses x86 intrinsics, so it can't work on other platforms.

Reviewers: garious, eugenis, samsonov

Reviewed By: samsonov

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10652

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@240449 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt