Relax filechecks in r336405 tests
They were failing in Chromium's packaging builds with:
C:\b\rr\tmphqfaff\w\src\third_party\llvm\tools\lld\test\COFF\pdb-globals-dia-vfunc-collision2.test:24:8:
error: expected string not found in input
CHECK: func [0x00001060+ 0 - 0x0000106c-12 | sizeof= 12] (FPO) virtual int __cdecl A132()
^
<stdin>:8:11: note: scanning from here
struct S [sizeof = 8] {
^
<stdin>:9:2: note: possible intended match here
func [0x00001060+ 0 - 0x0000106c-12 | sizeof= 12] (FPO) virtual int __cdecl S::A132()
^
Maybe due to different DIA versions.
llvm-svn: 336424