macurtis-amd 2ddf0caaed [clang][driver] Suppress gnu-line-marker when saving temps (#134621) ...

When passing `-save-temps` to clang, the generated preprocessed output
uses gnu line markers. This unexpectedly triggers gnu-line-marker
warnings when used with `-Weverything` or `-pedantic`. Even worse,
compilation fails if `-Werror` is used.

This change suppresses gnu-line-marker warnings when invoking clang with
input from a preprocessor job and the user has not otherwise explictly
specified `-Wgnu-line-marker` somewhere on the command line. Note that
this does apply to user provided preprocessed files.

fixes #63802

2025-06-10 11:54:50 -05:00

72 KiB

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