[WebAssembly] Identify COMDATs by index rather than string. NFC
authorNicholas Wilson <nicholas@nicholaswilson.me.uk>
Wed, 14 Mar 2018 15:44:45 +0000 (15:44 +0000)
committerNicholas Wilson <nicholas@nicholaswilson.me.uk>
Wed, 14 Mar 2018 15:44:45 +0000 (15:44 +0000)
commit027b9357a8f23fdf9b0ab013ff27eaf9ec080961
treebc31d1145f551ae972d0b2875b3b30cb8482a442
parentbf1638daa81cca23073649ec57b21f94c8a57533
[WebAssembly] Identify COMDATs by index rather than string. NFC

This will enable an optimisation in LLD.

Differential Revision: https://reviews.llvm.org/D44343

llvm-svn: 327522
llvm/include/llvm/BinaryFormat/Wasm.h
llvm/include/llvm/Object/Wasm.h
llvm/lib/Object/WasmObjectFile.cpp
llvm/tools/obj2yaml/wasm2yaml.cpp