Diagnose a variety of access of ivars when they conflict with
local or global variables in instance/class methods.
llvm-svn: 65879
diff --git a/clang/test/SemaObjC/ivar-ref-misuse.m b/clang/test/SemaObjC/ivar-ref-misuse.m
new file mode 100644
index 0000000..814d465
--- /dev/null
+++ b/clang/test/SemaObjC/ivar-ref-misuse.m
@@ -0,0 +1,41 @@
+// RUN: clang -fsyntax-only -verify %s
+
+@interface Sprite {
+ int sprite, spree;
+ int UseGlobalBar;
+}
++ (void)setFoo:(int)foo;
++ (void)setSprite:(int)sprite;
+- (void)setFoo:(int)foo;
+- (void)setSprite:(int)sprite;
+@end
+
+int spree = 23;
+int UseGlobalBar;
+
+@implementation Sprite
++ (void)setFoo:(int)foo {
+ sprite = foo; // expected-error {{use of undeclared identifier 'sprite'}}
+ spree = foo;
+ Xsprite = foo; // expected-error {{use of undeclared identifier 'Xsprite'}}
+ UseGlobalBar = 10;
+}
++ (void)setSprite:(int)sprite {
+ int spree;
+ sprite = 15;
+ spree = 17;
+ ((Sprite *)self)->sprite = 16; /* NB: This is how one _should_ access */
+ ((Sprite *)self)->spree = 18; /* ivars from within class methods! */
+}
+- (void)setFoo:(int)foo {
+ sprite = foo;
+ spree = foo;
+}
+- (void)setSprite:(int)sprite {
+ int spree;
+ sprite = 15; // expected-warning {{local declaration of 'sprite' hides instance variable}}
+ self->sprite = 16;
+ spree = 17; // expected-warning {{local declaration of 'spree' hides instance variable}}
+ self->spree = 18;
+}
+@end