Add two more test cases for attribute 'noreturn'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82841 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Sema/return-noreturn.c b/test/Sema/return-noreturn.c
index 0a227a61cca3a779c1039a02736879504b67c957..20df857d3bcd68627568651bde38e0e526ab7865 100644 (file)
--- a/test/Sema/return-noreturn.c
+++ b/test/Sema/return-noreturn.c
@@ -10,3 +10,14 @@ void test1() { // expected-warning {{function could be attribute 'noreturn'}}
 void test2() {
   if (j) while (1) { }
 }
+
+// This test case illustrates that we don't warn about the missing return
+// because the function is marked noreturn and there is an infinite loop.
+extern int foo_test_3();
+__attribute__((__noreturn__)) void* test3(int arg) {
+  while (1) foo_test_3();
+}
+
+__attribute__((__noreturn__)) void* test3_positive(int arg) {
+  while (0) foo_test_3();
+} // expected-warning{{function declared 'noreturn' should not return}}