Commit 2848923a2f5099b6d105b0b30212134d84377dee

lhchavez 2019-01-08T17:32:23

Let GCC use the add/mul overflow intrinsics This change tweaks the macros for git__{add,multiply}_sizet_overflow so that GCC can use them. It also stops using the uadd,umul versions since the add,mul can handle way more cases.