7740c6d643
Summary: It allows discriminating between stack frames of the same call that is called multiple times in a loop. Thanks to Artem Dergachev for the great idea! Reviewed By: NoQ Tags: #clang Differential Revision: https://reviews.llvm.org/D65587 llvm-svn: 367608
27 lines
551 B
C
27 lines
551 B
C
// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify %s
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void clang_analyzer_eval(int);
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void callee(void **p) {
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int x;
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*p = &x;
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}
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void loop() {
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void *arr[2];
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for (int i = 0; i < 2; ++i)
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callee(&arr[i]);
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// FIXME: Should be UNKNOWN.
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clang_analyzer_eval(arr[0] == arr[1]); // expected-warning{{FALSE}}
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}
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void loopWithCall() {
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void *arr[2];
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for (int i = 0; i < 2; ++i) {
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int x;
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arr[i] = &x;
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}
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// FIXME: Should be UNKNOWN.
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clang_analyzer_eval(arr[0] == arr[1]); // expected-warning{{TRUE}}
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}
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