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bce360b704
Summary: As discussed in http://lists.llvm.org/pipermail/cfe-dev/2019-October/063459.html the overflow of the souce locations (limited to 2^31 chars) can generate all sorts of weird things (bogus warnings, hangs, crashes, miscompilation and correct compilation). In debug mode this assert would fail. So it might be a good start, as in PR42301, to detect the failure and exit with a proper error message. Reviewers: rsmith, thakis, miyuki Reviewed By: miyuki Subscribers: cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D70183