River Riddle f4ef77cbb4 [mlir][Inliner] Properly handle callgraph node deletion ...

We previously weren't properly updating the SCC iterator when nodes were removed, leading to asan failures in certain situations. This commit adds a CallGraphSCC class and defers operation deletion until inlining has finished.

Differential Revision: https://reviews.llvm.org/D81984

2020-06-17 15:45:56 -07:00

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