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fixes #22852; fixes #23435; fixes #23645; SIGSEGV when slicing string or seq[T] with index out of range #23279

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Merged
merged 3 commits into from
May 27, 2024
Merged

fixes #22852; fixes #23435; fixes #23645; SIGSEGV when slicing string or seq[T] with index out of range #23279

merged 3 commits into from
May 27, 2024

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@ringabout ringabout commented Feb 5, 2024 •
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follow up #23013

fixes #22852
fixes #23435
fixes #23645

reports rangeDefect correctly

/workspaces/Nim/test9.nim(1) test9
/workspaces/Nim/lib/system/indices.nim(116) []
/workspaces/Nim/lib/system/fatal.nim(53) sysFatal
Error: unhandled exception: value out of range: -2 notin 0 .. 9223372036854775807 [RangeDefect]

@ringabout ringabout changed the title fixes #22852; SIGSEGV when slicing string or seq[T] with index out of… fixes #22852; SIGSEGV when slicing string or seq[T] with index out of range Feb 5, 2024
ringabout added a commit that referenced this pull request Mar 25, 2024
@ringabout
workaround #23435; real fix pending #23279
8ccaae7
@ringabout ringabout mentioned this pull request Mar 25, 2024
Merged
@ringabout ringabout changed the title fixes #22852; SIGSEGV when slicing string or seq[T] with index out of range fixes #22852; fixes #23435; SIGSEGV when slicing string or seq[T] with index out of range Mar 25, 2024
Araq pushed a commit that referenced this pull request Apr 18, 2024
@ringabout
workaround #23435; real fix pending #23279 (#23436)
229c125 
workaround #23435

related to #22852

see also #23279
@ringabout ringabout mentioned this pull request May 27, 2024
Closed
@ringabout ringabout changed the title fixes #22852; fixes #23435; SIGSEGV when slicing string or seq[T] with index out of range fixes #22852; fixes #23435; fixes #23645; SIGSEGV when slicing string or seq[T] with index out of range May 27, 2024
@Araq Araq added merge_when_passes_CI mergeable once green Showstopper labels May 27, 2024
@Araq Araq merged commit c615828 into devel May 27, 2024
@Araq Araq deleted the pr_defect_range_check branch May 27, 2024 12:13
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Thanks for your hard work on this PR!
The lines below are statistics of the Nim compiler built from c615828

Hint: mm: orc; opt: speed; options: -d:release
178579 lines; 8.433s; 753.109MiB peakmem

ringabout added a commit that referenced this pull request May 27, 2024
@ringabout
Revert "workaround #23435; real fix pending #23279 (#23436)"
aebee68 
This reverts commit 229c125.
narimiran pushed a commit that referenced this pull request Sep 13, 2024
@ringabout @narimiran
fixes #22852; fixes #23435; fixes #23645; SIGSEGV when slicing string…
b6a8dcd 
… or seq[T] with index out of range (#23279)

follow up #23013

fixes #22852
fixes #23435
fixes #23645

reports rangeDefect correctly

```nim
/workspaces/Nim/test9.nim(1) test9
/workspaces/Nim/lib/system/indices.nim(116) []
/workspaces/Nim/lib/system/fatal.nim(53) sysFatal
Error: unhandled exception: value out of range: -2 notin 0 .. 9223372036854775807 [RangeDefect]
```

(cherry picked from commit c615828)
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