Update wasm handling of embedded bitcode#48

Merged

cuviper merged 2 commits intorust-lang:rustc/9.0-2019-12-19from

alexcrichton:update-wasm-bits

Apr 16, 2020

Commits on Apr 16, 2020

[WebAssembly] Emit .llvmcmd and .llvmbc as custom sections

sbc100
authored and
alexcrichton
committed
Enable finding bitcode in wasm objects

sbc100
authored and
alexcrichton
committed