http://llvm.org/bugs/show_bug.cgi?id=21342
Bug ID: 21342
Summary: False positive: std::valarray standard conforming
operator[] triggers null reference warning
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Static Analyzer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
libcxx/include/valarray:841:53: warning: Returning null reference
value_type& operator[](size_t __i) {return __begin_[__i];}
^~~~~~~~~~~~~~~~~~~~
Standard says:
N3797 clause: 26.6.2.4 valarray element access
paragraph 6.) If the subscript operator is invoked with a size_t argument whose
value is not less than the length of the array, the behavior is undefined.
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