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| author | Marek Polacek <polacek@redhat.com> | 2016-03-23 17:51:56 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2016-03-23 17:51:56 +0000 |
| commit | fbdb6bafe2be0f4e12b85dcb92641bb55078bf72 (patch) | |
| tree | 55a022f1d1e1e1278f5c5e34b3e2da9f4195fea0 /gcc/doc | |
| parent | d79ee5242bfcf2479658bf5450369d6856cc4904 (diff) | |
| download | gcc-fbdb6bafe2be0f4e12b85dcb92641bb55078bf72.zip gcc-fbdb6bafe2be0f4e12b85dcb92641bb55078bf72.tar.gz gcc-fbdb6bafe2be0f4e12b85dcb92641bb55078bf72.tar.bz2 | |
re PR c++/69884 (warning: ignoring attributes on template argument)
PR c++/69884
* c.opt (Wignored-attributes): New option.
* pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
* doc/invoke.texi: Document -Wignored-attributes.
* g++.dg/warn/Wignored-attributes-1.C: New test.
* g++.dg/warn/Wignored-attributes-2.C: New test.
From-SVN: r234433
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 99ac11b..9e54bb7 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -267,7 +267,7 @@ Objective-C and Objective-C++ Dialects}. -Wno-format-contains-nul -Wno-format-extra-args -Wformat-nonliteral @gol -Wformat-security -Wformat-signedness -Wformat-y2k -Wframe-address @gol -Wframe-larger-than=@var{len} -Wno-free-nonheap-object -Wjump-misses-init @gol --Wignored-qualifiers -Wincompatible-pointer-types @gol +-Wignored-qualifiers -Wignored-attributes -Wincompatible-pointer-types @gol -Wimplicit -Wimplicit-function-declaration -Wimplicit-int @gol -Winit-self -Winline -Wno-int-conversion @gol -Wno-int-to-pointer-cast -Winvalid-memory-model -Wno-invalid-offsetof @gol @@ -3886,6 +3886,14 @@ even without this option. This warning is also enabled by @option{-Wextra}. +@item -Wignored-attributes @r{(C and C++ only)} +@opindex Wignored-attributes +@opindex Wno-ignored-attributes +Warn when an attribute is ignored. This is different from the +@option{-Wattributes} option in that it warns whenever the compiler decides +to drop an attribute, not that the attribute is either unknown, used in a +wrong place, etc. This warning is enabled by default. + @item -Wmain @opindex Wmain @opindex Wno-main |