https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123273
Bug ID: 123273
Summary: -E -fdirectives-only reporting error on comments
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: preprocessor
Assignee: unassigned at gcc dot gnu.org
Reporter: yshuiv7 at gmail dot com
Target Milestone: ---
Created attachment 63132
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63132&action=edit
mpeghead.h
discovered when build mpg123. See attachment for the mpeghead.h header.
Run:
gcc mpeghead.h -E -fdirectives-only -o /dev/null
Output:
mpeghead.h:27:118: error: unterminated literal
27 | print "#define HDR_${name}_VAL(h)".(" " x
(11-length($name)))."(((h)\&HDR_$name) >> ".length($1).")\n";
|
^
mpeghead.h:8: error: unterminated #ifndef
8 | #ifndef MPG123_MPEGHEAD_H
Line 27 is a comment.
Running without -fdirectives-only completes without errors.
