c-family: Add -Wmisleading-indentation testcase [PR71637]

We no longer emit a bogus warning for the below testcase after
r11-3266-g4839de55e2c986.

	PR c++/71637

gcc/testsuite/ChangeLog:

	* c-c++-common/Wmisleading-indentation-6.c: New test.

diff --git a/gcc/testsuite/c-c++-common/Wmisleading-indentation-6.c b/gcc/testsuite/c-c++-common/Wmisleading-indentation-6.c
new file mode 100644 (file)
index 0000000..5b7dd7f
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/Wmisleading-indentation-6.c
@@ -0,0 +1,11 @@
+/* PR c++/71637  */
+/* { dg-options "-ftrack-macro-expansion=0 -Wmisleading-indentation" }  */
+
+#define m(x) ({ int y; if (x) y=0; else y=1; y; })
+
+int main()
+{
+  int x =
+    m(0);
+  return x;
+}