Eli Friedman 96c2a0c9ff [GlobalIsel] Fix fallback if stack protector isn't supported. ...

When GlobalISel fails, we need to report the error, and we need to set
the FailedISel property.  We skipped those steps if stack protector
insertion failed, which led to a very strange miscompile.

Differential Revision: https://reviews.llvm.org/D125584

2022-05-13 14:17:27 -07:00

131 KiB

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