http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59327
Bug ID: 59327
Summary: warning in expand_used_vars
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Keywords: build
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: amylaar at gcc dot gnu.org
CC: jakub at redhat dot com
Code added this morning to cfgexpand.c:expand_used_vars causes a warning:
g++ -c -g -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. -I. -I../../gcc/gcc -I../../gcc/gcc/.
-I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include
-I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/dpd
-I../libdecnumber -I../../gcc/gcc/../libbacktrace -o cfgexpand.o -MT
cfgexpand.o -MMD -MP -MF ./.deps/cfgexpand.TPo ../../gcc/gcc/cfgexpand.c
../../gcc/gcc/cfgexpand.c: In function ‘rtx_def* expand_used_vars()’:
../../gcc/gcc/cfgexpand.c:1836:35: error: comparison between signed and
unsigned integer expressions [-Werror=sign-compare]
&& sz + ASAN_RED_ZONE_SIZE >= data.asan_alignb)
^
cc1plus: all warnings being treated as errors
make: *** [cfgexpand.o] Error 1
Seen for target arc-elf.
[amylaar@rowan gcc]$ g++ --version
g++ (GCC) 4.9.0 20131126 (experimental)
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
[amylaar@rowan gcc]$ uname -a
Linux rowan 3.11.7-200.fc19.i686.PAE #1 SMP Mon Nov 4 14:22:33 UTC 2013 i686
i686 i386 GNU/Linux
