types: fix undefined behavior in numeric types cast (cast 1<<64 to uint64) #11968
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Signed-off-by: H-ZeX <hzx20112012@gmail.com>
H-ZeX
added
type/bug-fix
Codecov Report
@@ Coverage Diff @@
## master #11968 +/- ##
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Coverage ? 80.0309%
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Files ? 465
Lines ? 107336
Branches ? 0
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Hits ? 85902
Misses ? 14943
Partials ? 6491 |
Signed-off-by: H-ZeX <hzx20112012@gmail.com>
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/release |
ghost
requested review from
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/build |
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And do we also need to cherry pick this commit to release-3.1 |
…in_numeric_types
…fix_ub_in_numeric_types
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/run-all-tests |
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@XuHuaiyu PTAL |
XuHuaiyu
added
status/can-merge
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/run-all-tests |
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cherry pick to release-3.0 failed |
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cherry pick to release-2.1 failed |
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cherry pick to release-3.1 failed |
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@H-ZeX Please cherry-pick this PR manually. |
XiaTianliang
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to XiaTianliang/tidb
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Dec 21, 2019
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It seems that, not for sure, we failed to cherry-pick this commit to release-2.1 release-3.0. Please comment '/run-cherry-picker' to try to trigger the cherry-picker if we did fail to cherry-pick this commit before. @lonng PTAL. |
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/run-cherry-picker |
sre-bot
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Apr 9, 2020
Signed-off-by: sre-bot <sre-bot@pingcap.com>
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cherry pick to release-2.1 in PR #16238 |
sre-bot
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Apr 9, 2020
Signed-off-by: sre-bot <sre-bot@pingcap.com>
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cherry pick to release-3.0 in PR #16239 |
bb7133
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Apr 10, 2020
bb7133
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Apr 10, 2020
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Signed-off-by: H-ZeX hzx20112012@gmail.com
What problem does this PR solve?
In go-spec-conversions, there is this paragraph
so,
float64(1<<64)cast to uint64 is undefined behavor. although in current go compiler, it is(1<<63), which is not same as mysql5.7 does.Check List
Code changes
No.
Side effects
No.
Related changes