8fa639ecf0
The new checker currently contains the very core infrastructure for tracking the state of iterator-type objects in the analyzer: relating iterators to their containers, tracking symbolic begin and end iterator values for containers, and solving simple equality-type constraints over iterators. A single specific check over this infrastructure is capable of finding usage of out-of-range iterators in some simple cases. Patch by Ádám Balogh! Differential revision: https://reviews.llvm.org/D32592 llvm-svn: 304160
25 lines
875 B
C++
25 lines
875 B
C++
// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config suppress-c++-stdlib=false -verify %s
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// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config suppress-c++-stdlib=true -DSUPPRESSED=1 -verify %s
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// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -DSUPPRESSED=1 -verify %s
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#ifdef SUPPRESSED
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// expected-no-diagnostics
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#endif
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#include "../Inputs/system-header-simulator-cxx.h"
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void clang_analyzer_eval(bool);
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class C {
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// The virtual function is to make C not trivially copy assignable so that we call the
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// variant of std::copy() that does not defer to memmove().
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virtual int f();
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};
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void testCopyNull(C *I, C *E) {
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std::copy(I, E, (C *)0);
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#ifndef SUPPRESSED
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// expected-warning@../Inputs/system-header-simulator-cxx.h:490 {{Called C++ object pointer is null}}
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#endif
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}
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