[all-commits] [llvm/llvm-project] ab10f0: [CIR] Fix a crash when source location is unknown ...

[Andy Kaylor via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ab10f0848b22417afc6352051b6e26c7704084d2
      https://github.com/llvm/llvm-project/commit/ab10f0848b22417afc6352051b6e26c7704084d2
  Author: Andy Kaylor <akaylor at nvidia.com>
  Date:   2026-03-06 (Fri, 06 Mar 2026)

  Changed paths:
    M clang/lib/CIR/CodeGen/CIRGenFunction.cpp
    M clang/lib/CIR/CodeGen/CIRGenVTables.cpp
    M clang/test/CIR/CodeGen/thunks.cpp

  Log Message:
  -----------
  [CIR] Fix a crash when source location is unknown (#185059)

When we call `getLoc()` with an invalid `SourceLocation` and
`currSrcLoc` is also invalid, we were crashing or asserting. I tracked
down one case where this was happening (generating an argument in a
vtable thunk) and fixed that to provide a location. I also am updating
the `getLoc()` implementation so that it will use an unknown location in
release builds rather than crashing because the location isn't critical
for correct compilation.



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