Thomas Lively e0a9dce543 [WebAssembly] Do not emit tail calls with return type mismatch ...

Summary:
return_call and return_call_indirect are only valid if the return
types of the callee and caller match. We were previously not enforcing
that, which was producing invalid modules.

Reviewers: aheejin

Subscribers: dschuff, sbc100, jgravelle-google, hiraditya, sunfish, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65246

llvm-svn: 367339

2019-07-30 18:08:39 +00:00

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