3df95385bc
Section 6.5.15 of the C99 spec requires that if one argument of a ?: expression is a null pointer constant, and the other has a pointer type T*, then the type of the expression is T*. We were attempting to follow this rule, however, we only handled literal expressions when checking for null pointers. This change looks through casts, so 'nil' and 'NULL', and their expansion '(void*)0' are all detected as null pointer constants. |
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