1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr8788-1.c b/gcc/testsuite/gcc.dg/pr8788-1.c
new file mode 100644
index 000000000..74e169409
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr8788-1.c
@@ -0,0 +1,20 @@
+/* PR inline-asm/8788 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+typedef struct {
+    long x[6];
+} myjmp_buf;
+
+typedef struct {
+    myjmp_buf regs;
+} my_stack;
+
+void switch_to_stack (my_stack *stack){
+    asm (  /* { dg-error "impossible constraint" } */
+/* { dg-warning "asm operand 1" "asm operand 1" { target *-*-* } 14 } */
+        "\n"
+        : "+r" (stack->regs)
+    );
+}
+