H. Peter Anvin d2aed9fa9d labels: handle "extern" after definition (BR 3392924) ...

Using "extern" or "required" after the definition should be
interpreted as "global", just as if "extern" or "required" had been
specified before the definition.

Unfortunately the code did not correctly handle the case of upgrading
from LOCAL to GLOBAL via an EXTERN or REQUIRED directive, only from
EXTERN or REQUIRED to GLOBAL via definition or a GLOBAL or COMMON
directive.

Fix.

Reported-by: E. C. Masloch <pushbx@ulukai.org>
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>

2025-09-19 14:22:29 -07:00

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