add basic unit test: catches exception 'inline' and in another frame

Author: davidmrdavid

compiler-rt/test/asan/TestCases/Windows/basic_exception_handling.cpp

@@ -0,0 +1,36 @@
+// RUN: %clangxx_asan %s -o %t
+// RUN: %run %t | FileCheck %s
+
+// This test tests that declaring a parameter in a catch-block does not produce a false positive
+// ASan error on Windows.
+
+// This code is based on the repro in https://github.com/google/sanitizers/issues/749
+#include <cstdio>
+#include <exception>
+
+void throwInFunction(){
+    throw std::exception("test2");
+}
+
+int main()
+{
+    // case 1: direct throw
+	try	{
+		throw std::exception("test1");
+	} catch (const std::exception& ex){
+		puts(ex.what());
+        // CHECK: test1
+	}
+
+    // case 2: throw in function
+    try {
+        throwInFunction();
+    } catch (const std::exception& ex){
+        puts(ex.what());
+        // CHECK: test2
+    }
+
+    printf("Success!\n");
+    // CHECK: Success!
+	return 0;
+}