https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86134
Bug ID: 86134
Summary: earlier error causes followup diagnostic about unknown
-Wno-* options
Product: gcc
Version: 8.1.0
Status: UNCONFIRMED
Keywords: diagnostic
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: rguenth at gcc dot gnu.org
Target Milestone: ---
> echo 'int main(){' | gcc -S -x c -Wno-unknown-warning-option -
<stdin>: In function ‘main’:
<stdin>:1:1: error: expected declaration or statement at end of input
<stdin>: At top level:
cc1: warning: unrecognized command line option "-Wno-unknown-warning-option"
[enabled by default]
compared to
> echo 'int main(){}' | gcc -S -x c -Wno-unknown-warning-option -
with -Werror the diagnostic on the unrecognized command line option is an
error as well.
