diff options
author | Paul Eggert <eggert@cs.ucla.edu> | 2012-07-21 21:16:53 -0700 |
---|---|---|
committer | Paul Eggert <eggert@cs.ucla.edu> | 2012-07-21 21:16:53 -0700 |
commit | 894bd8732db202ab5a2dd43cd0e949289b20c3f5 (patch) | |
tree | 0da7f1ad7286c3c0fce99eaf75f681797ec117f9 /lib | |
parent | 494913d6debe4b2507d37a165a8be754ab64dbb4 (diff) | |
download | emacs-894bd8732db202ab5a2dd43cd0e949289b20c3f5.tar.gz |
Merge from gnulib (comment changes only).
Diffstat (limited to 'lib')
-rw-r--r-- | lib/verify.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/verify.h b/lib/verify.h index cef14ad1571..0c320b19ad4 100644 --- a/lib/verify.h +++ b/lib/verify.h @@ -125,7 +125,7 @@ extern int (*dummy (void)) [sizeof (struct {...})]; * GCC warns about duplicate declarations of the dummy function if - -Wredundant_decls is used. GCC 4.3 and later have a builtin + -Wredundant-decls is used. GCC 4.3 and later have a builtin __COUNTER__ macro that can let us generate unique identifiers for each dummy function, to suppress this warning. @@ -133,6 +133,10 @@ which do not support _Static_assert, also do not warn about the last declaration mentioned above. + * GCC warns if -Wnested-externs is enabled and verify() is used + within a function body; but inside a function, you can always + arrange to use verify_expr() instead. + * In C++, any struct definition inside sizeof is invalid. Use a template type to work around the problem. */ |