David Bolvansky
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b8dc05260c
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[Diagnostics] Implement -Wsizeof-pointer-div
Summary:
void test(int *arr) {
int arr_len = sizeof(arr) / sizeof(*arr); // warn, incorrect way to compute number of array elements
}
Enabled under -Wall (same behaviour as GCC)
Reviewers: rsmith, MTC, aaron.ballman
Reviewed By: aaron.ballman
Subscribers: MTC, thakis, jfb, cfe-commits
Differential Revision: https://reviews.llvm.org/D52949
llvm-svn: 345847
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2018-11-01 16:26:10 +00:00 |