1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/objc.dg/pr45878.m b/gcc/testsuite/objc.dg/pr45878.m
new file mode 100644
index 000000000..39fd6c3cd
--- /dev/null
+++ b/gcc/testsuite/objc.dg/pr45878.m
@@ -0,0 +1,38 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fexceptions" } */
+
+typedef struct objc_object { Class class_pointer; } *id;
+typedef unsigned char  BOOL;
+
+@interface Object
+{
+  Class isa;
+}
+- (BOOL)isEqual:anObject;
+@end
+
+#ifdef __NEXT_RUNTIME__
+@interface NSConstantString: Object
+{
+  char *c_string;
+  unsigned int len;
+}
+@end
+extern void *_NSConstantStringClassReference;
+#else
+@interface NXConstantString: Object
+{
+  char *c_string;
+  unsigned int len;
+}
+@end
+#endif
+
+void function (void)
+{
+  if ([@"strings" isEqual: (id)0])
+    {
+      ;
+    }
+}
+