[Bug c/52023] [C11] _Alignof (double) yields wrong value on x86

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |mpolacek at gcc dot gnu.org

--- Comment #16 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
(In reply to Jan-Benedict Glaw from comment #15)
> Some fallout for an unused variable, see eg.
> http://toolchain.lug-owl.de/buildbot/show_build_details.php?id=50585 :
> 
> g++ -c  -DIN_GCC_FRONTEND -DIN_GCC_FRONTEND -g -O2 -DIN_GCC 
> -DCROSS_DIRECTORY_STRUCTURE  -fno-exceptions -fno-rtti
> -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
> -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
> -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common 
> -DHAVE_CONFIG_H -I. -Ic-family -I../../../gcc/gcc
> -I../../../gcc/gcc/c-family -I../../../gcc/gcc/../include
> -I../../../gcc/gcc/../libcpp/include -I/opt/cfarm/mpc/include 
> -I../../../gcc/gcc/../libdecnumber -I../../../gcc/gcc/../libdecnumber/dpd
> -I../libdecnumber -I../../../gcc/gcc/../libbacktrace    -o
> c-family/c-common.o -MT c-family/c-common.o -MMD -MP -MF
> c-family/.deps/c-common.TPo ../../../gcc/gcc/c-family/c-common.c
> ../../../gcc/gcc/c-family/c-common.c: In function ‘tree_node*
> c_sizeof_or_alignof_type(location_t, tree, bool, bool, int)’:
> ../../../gcc/gcc/c-family/c-common.c:5007:9: error: unused variable ‘field’
> [-Werror=unused-variable]
>     tree field = build_decl (UNKNOWN_LOCATION, FIELD_DECL, NULL_TREE,
>          ^
> cc1plus: all warnings being treated as errors

Should be fixed now.