Check that bodies and calls but not declarations

are marked nounwind when compiling without
-fexceptions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49393 91177308-0d34-0410-b5e6-96231b3b80d8

test/CFrontend/2008-04-08-NoExceptions.c

@@ -0,0 +1,7 @@
+// RUN: %llvmgcc -S -o - %s | grep nounwind | count 2
+// RUN: %llvmgcc -S -o - %s | not grep {declare.*nounwind}
+
+void f(void);
+void g(void) {
+  f();
+}