1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wparentheses-10.c b/gcc/testsuite/gcc.dg/Wparentheses-10.c
new file mode 100644
index 000000000..aafcae2ad
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/Wparentheses-10.c
@@ -0,0 +1,42 @@
+/* Test operation of -Wparentheses.  Warnings for assignments used as
+   truth-values shouldn't apply other than for plain assignment.  */
+/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
+
+/* { dg-do compile } */
+/* { dg-options "-Wparentheses -std=gnu99" } */
+
+int foo (int);
+
+int a, b, c;
+_Bool d;
+
+void
+bar (void)
+{
+  if (a += b)
+    foo (0);
+  if (a -= a)
+    foo (1);
+  if (b *= c)
+    foo (2);
+  else
+    foo (3);
+  if (b /= b)
+    foo (4);
+  else
+    foo (5);
+  while (c %= b)
+    foo (6);
+  while (c <<= c)
+    foo (7);
+  do foo (8); while (a >>= b);
+  do foo (9); while (a &= a);
+  for (;c ^= b;)
+    foo (10);
+  for (;c |= c;)
+    foo (11);
+  d = a += b;
+  foo (12);
+  d = a -= a;
+  foo (13);
+}