From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- ...iver-undefined-larger-than-voidptr-ret-region.m | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 clang/test/Analysis/nil-receiver-undefined-larger-than-voidptr-ret-region.m (limited to 'clang/test/Analysis/nil-receiver-undefined-larger-than-voidptr-ret-region.m') diff --git a/clang/test/Analysis/nil-receiver-undefined-larger-than-voidptr-ret-region.m b/clang/test/Analysis/nil-receiver-undefined-larger-than-voidptr-ret-region.m new file mode 100644 index 0000000..c1cc076 --- /dev/null +++ b/clang/test/Analysis/nil-receiver-undefined-larger-than-voidptr-ret-region.m @@ -0,0 +1,32 @@ +// RUN: %clang_cc1 -triple i386-apple-darwin8 -analyze -analyzer-checker=core,experimental.core -analyzer-constraints=range -analyzer-store=region -verify -Wno-objc-root-class %s + +// - This test case shows that a nil instance +// variable can possibly be initialized by a method. +@interface RDar6888289 +{ + id *x; +} +- (void) test:(id) y; +- (void) test2:(id) y; +- (void) invalidate; +@end + +id *getVal(void); + +@implementation RDar6888289 +- (void) test:(id)y { + if (!x) + [self invalidate]; + *x = y; +} +- (void) test2:(id)y { + if (!x) {} + *x = y; // expected-warning {{null}} +} + +- (void) invalidate { + x = getVal(); +} + +@end + -- cgit v1.2.3