Heejin Ahn 67f74aceab [WebAssembly] Handle END_LOOP in unreachable BB in CFGStackify ...

Summary:
This fixes crashes when a BB in which an END_LOOP is to be placed is
unreachable and does not have any predecessors. Fixes PR41307.

Reviewers: dschuff

Subscribers: yurydelendik, sbc100, jgravelle-google, sunfish, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D60004

llvm-svn: 357303

2019-03-29 19:36:51 +00:00

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