[llvm] [test][Support] Disable CFI-icall for DynamicLibrary Overload test (PR #202446)

[Mikael Holmen via llvm-commits]

================
@@ -59,7 +59,7 @@ static const char *OverloadTestA() { return "OverloadCall"; }
 
 std::string StdString(const char *Ptr) { return Ptr ? Ptr : ""; }
 
-TEST(DynamicLibrary, Overload) {
+TEST(DynamicLibrary, Overload) __attribute__((no_sanitize("cfi-icall"))) {
----------------
mikaelholmen wrote:

Hi @vitalybuka 
E.g. gcc doesn't seem to like this:
```
./llvm-project/llvm/unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp:62:32: error: attributes are not allowed on a function-definition
```
Several build bots fail.

https://github.com/llvm/llvm-project/pull/202446