llvm-project/clang/test/SemaObjC/warn-loop-analysis.m
Steven Wu 92910f69a0 Fix false positives for for-loop-analysis warning
Summary:
For PseudoObjectExpr, the DeclMatcher need to search only all the semantics
but also need to search pass OpaqueValueExpr for all potential uses for the
Decl.

Reviewers: thakis, rtrieu, rjmccall, doug.gregor

Subscribers: xazax.hun, rjmccall, doug.gregor, cfe-commits

Differential Revision: http://reviews.llvm.org/D17627

llvm-svn: 263087
2016-03-10 02:02:48 +00:00

16 lines
343 B
Objective-C

// RUN: %clang_cc1 -fsyntax-only -Wloop-analysis -verify %s
// expected-no-diagnostics
@interface MyArray
- (id)objectAtIndexedSubscript:(unsigned int)idx;
@end
// Do not warn on objc classes has objectAtIndexedSubscript method.
MyArray *test;
void foo()
{
unsigned int i;
for (i = 42; i > 0;) // No warnings here
(void)test[--i];
}