Eric Kilmer b6adc0337a Add ASAN/UBSAN CI testing and fix signed left shift UB ...

Add a sanitizer CI job that builds and tests with AddressSanitizer and
UndefinedBehaviorSanitizer using clang on Ubuntu for both stable and
HEAD release tracks.

Fix three UBSAN signed left shift errors found during sanitizer testing
by casting signed values to unsigned before left shifting:
- address.hh sign_extend(): left shift of negative value / overflow
- slghpatexpress.cc LeftShiftExpression: left shift of negative value

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-25 21:16:13 +00:00

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workflows

Add ASAN/UBSAN CI testing and fix signed left shift UB

2026-02-25 21:16:13 +00:00

dependabot.yml

Create dependabot.yml for GitHub Actions updates

2022-02-01 14:56:56 -05:00