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[Bug binutils/28978] [2.36 Regression] O(n²) when parsing DWARF2 info
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From: |
steinar+sourceware at gunderson dot no |
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Subject: |
[Bug binutils/28978] [2.36 Regression] O(n²) when parsing DWARF2 info |
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Date: |
Mon, 21 Mar 2022 12:32:36 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=28978
--- Comment #1 from Steinar H. Gunderson <steinar+sourceware at gunderson dot
no> ---
Created attachment 14028
--> https://sourceware.org/bugzilla/attachment.cgi?id=14028&action=edit
Proposed patch
I've taken a stab at a fix. I wonder if it's overly conservative, ie., we will
never need the fallback, but it should at least be reasonably safe. I've
verified that the slowdown disappears when applying it.
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- [Bug binutils/28978] New: [2.38 Regression] O(n²) when parsing DWARF2 info, steinar+sourceware at gunderson dot no, 2022/03/18
- [Bug binutils/28978] [2.36 Regression] O(n²) when parsing DWARF2 info, steinar+sourceware at gunderson dot no, 2022/03/18
- [Bug binutils/28978] [2.36 Regression] O(n²) when parsing DWARF2 info, hjl.tools at gmail dot com, 2022/03/18
- [Bug binutils/28978] [2.36 Regression] O(n²) when parsing DWARF2 info,
steinar+sourceware at gunderson dot no <=
- [Bug binutils/28978] [2.36 Regression] O(n²) when parsing DWARF2 info, cvs-commit at gcc dot gnu.org, 2022/03/21
- [Bug binutils/28978] [2.36 Regression] O(n²) when parsing DWARF2 info, nickc at redhat dot com, 2022/03/21
- [Bug binutils/28978] [2.36 Regression] O(n²) when parsing DWARF2 info, steinar+sourceware at gunderson dot no, 2022/03/21
- [Bug binutils/28978] [2.36 Regression] O(n²) when parsing DWARF2 info, nickc at redhat dot com, 2022/03/21