@@ -6233,8 +6233,8 @@ c_parser_binary_expression (c_parser *pa
if (__builtin_expect (omp_atomic_lhs != NULL_TREE, 0) && sp == 1 \
&& c_parser_peek_token (parser)->type == CPP_SEMICOLON \
&& ((1 << stack[sp].prec) \
- & (1 << (PREC_BITOR | PREC_BITXOR | PREC_BITAND | PREC_SHIFT \
- | PREC_ADD | PREC_MULT))) \
+ & ((1 << PREC_BITOR) | (1 << PREC_BITXOR) | (1 << PREC_BITAND) \
+ | (1 << PREC_SHIFT) | (1 << PREC_ADD) | (1 << PREC_MULT))) \
&& stack[sp].op != TRUNC_MOD_EXPR \
&& stack[0].expr.value != error_mark_node \
&& stack[1].expr.value != error_mark_node \
@@ -0,0 +1,61 @@
+/* PR c/64824 */
+/* { dg-do run } */
+/* { dg-options "-O2 -fopenmp" } */
+
+void
+f1 (void)
+{
+ short a;
+ short b = 1;
+ int c = 3;
+#pragma omp atomic capture
+ a = b = c << b;
+ if (b != 6 || a != 6)
+ __builtin_abort ();
+}
+
+void
+f2 (void)
+{
+ short a;
+ short b = 1;
+ int c = 3;
+#pragma omp atomic capture
+ a = b = c + b;
+ if (b != 4 || a != 4)
+ __builtin_abort ();
+}
+
+void
+f3 (void)
+{
+ short a;
+ short b = 1;
+ long long int c = 3;
+#pragma omp atomic capture
+ a = b = c + b;
+ if (b != 4 || a != 4)
+ __builtin_abort ();
+}
+
+void
+f4 (void)
+{
+ char a;
+ char b = 1;
+ long long int c = 3LL;
+#pragma omp atomic capture
+ a = b = c << b;
+ if (b != 6 || a != 6)
+ __builtin_abort ();
+}
+
+int
+main ()
+{
+ f1 ();
+ f2 ();
+ f3 ();
+ f4 ();
+ return 0;
+}
@@ -0,0 +1,5 @@
+// PR c/64824
+// { dg-do run }
+// { dg-options "-O2 -fopenmp" }
+
+#include "../libgomp.c/atomic-18.c"