[FileCheck] Add -allow-deprecated-dag-overlap to failing compiler-rt tests

[jdenny]

Summary

See https://reviews.llvm.org/D47106 for details.

[probinson]

LGTM

test/profile/instrprof-visibility.cpp

 // RUN: %clangxx_profgen -fcoverage-mapping %S/Inputs/instrprof-visibility-helper.cpp -o %t %s
 // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
 // RUN: llvm-profdata merge %t.profraw -o %t.profdata
-// RUN: llvm-profdata show --all-functions %t.profraw | FileCheck %s --check-prefix=PROFILE
-// RUN: llvm-cov show %t -instr-profile=%t.profdata | FileCheck %s --check-prefix=COV
+// RUN: llvm-profdata show --all-functions %t.profraw | FileCheck -allow-deprecated-dag-overlap %s --check-prefix=PROFILE
+// RUN: llvm-cov show %t -instr-profile=%t.profdata | FileCheck -allow-deprecated-dag-overlap %s --check-prefix=COV
 
 namespace {
 #define NO_WEAK
 #define NO_EXTERN
 #include "instrprof-visibility-kinds.inc"
 #undef NO_EXTERN
 #undef NO_WEAK
 }