[llvm-branch-commits] [clang] release/18.x: [clang][CoverageMapping] do not emit a gap region when either end doesn't have valid source locations (#89564) (PR #90369)

[Wentao Zhang via llvm-branch-commits]

whentojump wrote:

> Hi @whentojump (or anyone else). If you would like to add a note about this fix in the release notes (completely optional). Please reply to this comment with a one or two sentence description of the fix. When you are done, please add the release:note label to this PR.

Fixes a Clang assertion failure caused by emitting gap coverage mapping regions between statements with <invalid sloc>.


https://github.com/llvm/llvm-project/pull/90369