Justin Stitt
f9ad232421
[Clang] Show inlining hints for __attribute__((warning/error)) ( #174892 ) ...
When functions marked with `[[gnu::warning/error]]` are called through inlined functions, we now show the inlining chain that led to the call when ``-fdiagnostics-show-inlining-chain`` is enabled.
With this flag, two modes are possible:
- **heuristic** mode: Uses `srcloc` and `inlined.from` metadata to reconstruct the inlining chain. Functions that are `inline`, `static`, `always_inline`, or in anonymous namespaces get `srcloc` metadata attached. This mode emits a note suggesting `-gline-directives-only` for more accurate locations.
- **debug** mode: Automatically used instead of heuristic when building with at least `-gline-directives-only` (implied by `-g1` or higher). Leverages `DILocation` debug info for reliable source locations.
Fixes: https://github.com/ClangBuiltLinux/linux/issues/1571
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f9ad232421
