[Committed] add missing attribute alloc_size to allocation builtins (PR 78668)

Martin Sebor msebor@gmail.com
Sun Dec 4 17:50:00 GMT 2016


In a review of my patch to warn on overflow in calls to allocation
functions (bugs 77531 and 78284) Jeff asked[*]me to commit the bits
that add the missing alloc_attribute to GCC memory allocation built
ins.  The patch also add the missing attribute returns_nonnull to
__builtin_alloca.

Tested on x86_64 and committed to trunk.

Martin

[*] https://gcc.gnu.org/ml/gcc-patches/2016-12/msg00260.html


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