1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr21419.c b/gcc/testsuite/gcc.dg/pr21419.c
new file mode 100644
index 000000000..120ed7f14
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr21419.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+const int i = 0;
+
+void f(void)
+{
+  __asm__ __volatile__ ("" : "=m" (i)); /* { dg-error "read-only variable" } */
+
+}
+
+void g(const int set)
+{
+  __asm__ __volatile__ ("" : "=r" (set)); /* { dg-error "read-only parameter" } */
+}
+
+