Adding some test cases to test attribute-related source range diagnostics. This augments r214722, r214723 and r214507.

llvm-svn: 215444
diff --git a/clang/test/Misc/attr-source-range.cpp b/clang/test/Misc/attr-source-range.cpp
new file mode 100644
index 0000000..6ad4ac2
--- /dev/null
+++ b/clang/test/Misc/attr-source-range.cpp
@@ -0,0 +1,16 @@
+// RUN: not %clang_cc1 -fsyntax-only -fdiagnostics-print-source-range-info %s 2>&1 | FileCheck %s

+

+void f(int i) __attribute__((format_arg(1)));

+// CHECK: attr-source-range.cpp:3:30:{3:41-3:42}{3:8-3:13}

+

+void g(int i, ...) __attribute__((format(printf, 1, 1)));

+// CHECK: attr-source-range.cpp:6:35:{6:50-6:51}{6:8-6:13}

+

+int h(void) __attribute__((returns_nonnull));

+// CHECK: attr-source-range.cpp:9:28:{9:1-9:4}

+

+void i(int j) __attribute__((nonnull(1)));

+// CHECK: attr-source-range.cpp:12:30:{12:38-12:39}{12:8-12:13}

+

+void j(__attribute__((nonnull)) int i);

+// CHECK: attr-source-range.cpp:15:23:{15:8-15:38}