Vendor import of clang trunk r178860:

http://llvm.org/svn/llvm-project/cfe/trunk@178860

1 files changed, 33 insertions, 0 deletions

diff --git a/test/Sema/warn-main.c b/test/Sema/warn-main.c
new file mode 100644
index 0000000..8a4eafc
--- /dev/null
+++ b/test/Sema/warn-main.c
@@ -0,0 +1,33 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -fsyntax-only -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -fsyntax-only -fdiagnostics-parseable-fixits -x c++ %s 2>&1 | FileCheck %s
+
+// expected-note@+1 2{{previous definition is here}}
+int main() {
+  return 0;
+}
+
+// expected-error@+2 {{static declaration of 'main' follows non-static declaration}}
+// expected-warning@+1 {{'main' should not be declared static}}
+static int main() {
+// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:1-[[@LINE-1]]:8}:""
+  return 0;
+}
+
+// expected-error@+3 {{redefinition of 'main'}}
+// expected-error@+2 {{'main' is not allowed to be declared inline}}
+// expected-note@+1 {{previous definition is here}}
+inline int main() {
+// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:1-[[@LINE-1]]:8}:""
+  return 0;
+}
+
+// expected-warning@+6 {{function 'main' declared 'noreturn' should not return}}
+// expected-error@+3 {{redefinition of 'main'}}
+// expected-warning@+2 {{'main' is not allowed to be declared _Noreturn}}
+// expected-note@+1 {{remove '_Noreturn'}}
+_Noreturn int main() {
+// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:1-[[@LINE-1]]:11}:""
+  return 0;
+}
+