New testcase. Unfortunately, native GCC gets this wrong. Someday we will have to figure out how to deal with this.

llvm-svn: 8162

llvm/test/Regression/C++Frontend/EH/copy_ctor_throw.cpp

@@ -0,0 +1,25 @@
+/* Test for throwing an exception from the copy ctor of the exception object 
+ * invoked while building an exception.
+ */
+#include <stdio.h>
+
+struct foo {
+  foo() {}
+  foo(const foo &F) { throw 1; }
+};
+
+int main() {
+	try {
+		foo f;
+		throw f;
+	} catch (int i) {
+		printf("Success!\n");
+		return 0;
+	} catch (foo &f) {
+		printf("Failure: caught a foo!\n");
+		return 1;
+	} catch (...) {
+		printf("Failure: caught something else!\n");
+		return 1;
+	}
+}