Elena Demikhovsky dcc86d5bb6 Shift-left (ISD::SHL) operation crashes on "DAG Legalization" phase. ...

https://llvm.org/bugs/show_bug.cgi?id=29058.

While node legalization we tried to legalize its operands.
If an operand node is replaced during legalization the user node may be destroyed.

Differential Revision: https://reviews.llvm.org/D24244

llvm-svn: 280862

2016-09-07 20:54:33 +00:00

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