Zhongxing Xu fd91d27630 Improve flat store: MemRegion::getAsOffset() computes a region's offset within
the top-level object. FlatStore now can bind and retrieve element and field
regions.
PR7297 is fixed by flat store.

llvm-svn: 110020
2010-08-02 04:56:14 +00:00

12 lines
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C

// RUN: %clang_cc1 -analyze -analyzer-check-objc-mem -analyzer-store=flat -verify %s
#define FAIL ((void)*(char*)0)
struct simple { int x; };
void PR7297 () {
struct simple a;
struct simple *p = &a;
p->x = 5;
if (!p[0].x) FAIL; // no-warning
if (p[0].x) FAIL; // expected-warning {{null}}
}