[BOLT][TEST] Update exceptions-instrumentation.test

Matching an exact byte offset is fragile if a different version of compiler
is used (e.g. distro clang).
Resolves an issue with running with BOLT_CLANG_EXE + clang-12

Reviewed By: maksfb

Differential Revision: https://reviews.llvm.org/D117440

bolt/test/runtime/X86/exceptions-instrumentation.test

@@ -18,4 +18,4 @@ CHECK-READELF: FUNC    LOCAL  DEFAULT   {{.*}} main.cold.{{.*}}
 
 RUN: cat %t.fdata | FileCheck --check-prefix=EXCEPTIONS-FDATA %s
 # Check that the printf "catch" ran exactly 10 times
-EXCEPTIONS-FDATA: 1 main 90 1 _Znwm@PLT 0 0 10
+EXCEPTIONS-FDATA: 1 main {{.*}} 1 _Znwm@PLT 0 0 10