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| author | Thomas Preud'homme <thomasp@graphcore.ai> | 2020-06-19 16:08:34 +0100 |
|---|---|---|
| committer | Thomas Preud'homme <thomasp@graphcore.ai> | 2020-06-19 18:38:43 +0100 |
| commit | f3e8f9617365f129a0e9876fc3d38f15d6f2d4fd (patch) | |
| tree | 5ab3772cbeb060bfa971110487a8cd01cf1abfe3 /llvm/unittests/Support | |
| parent | f5eaa2afe2a9faa2d05ca46e006e770d17c32778 (diff) | |
| download | llvm-f3e8f9617365f129a0e9876fc3d38f15d6f2d4fd.zip llvm-f3e8f9617365f129a0e9876fc3d38f15d6f2d4fd.tar.gz llvm-f3e8f9617365f129a0e9876fc3d38f15d6f2d4fd.tar.bz2 | |
[ADT] Fix itostr handling of min int64_t value
Summary:
UBSan buildbot caught an undefined behavior in itostr with INT64_MIN.
The negation cannot be represented in the promoted operand (long long).
Negation is well defined on unsigned value though so this commit does
the negation after the static cast.
Reviewers: jhenderson, chandlerc, lattner
Reviewed By: lattner
Subscribers: dexonsmith, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D82200
Diffstat (limited to 'llvm/unittests/Support')
0 files changed, 0 insertions, 0 deletions