Haojian Wu 4f8d9722b4 [clang] Fix an uint32_t overflow in large preamble. ...

Summary:
I was surprised to see the LocalOffset can exceed uint32_t, but it
does happen and lead to crashes in one of our internal huge TU with a large
preamble.

with this patch, the crash is gone.

Reviewers: sammccall

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D79397

2020-05-05 10:36:34 +02:00

173 KiB

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