[Bug gas/19880] New: gas/config/tc-arm.c:12519 error: comparison between signed and unsigned integer expressions

[kieranbingham at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19880

            Bug ID: 19880
           Summary: gas/config/tc-arm.c:12519 error: comparison between
                    signed and unsigned integer expressions
           Product: binutils
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: kieranbingham at gmail dot com
  Target Milestone: ---

This error fires on origin/master only if the optimiser is set to -O0


gcc -DHAVE_CONFIG_H -I.
-I/home/linuxembedded/linaro/lkd/openst-lkd/sources/binutils-gdb/gas  -I.
-I/home/linuxembedded/linaro/lkd/openst-lkd/sources/binutils-gdb/gas -I../bfd
-I/home/linuxembedded/linaro/lkd/openst-lkd/sources/binutils-gdb/gas/config
-I/home/linuxembedded/linaro/lkd/openst-lkd/sources/binutils-gdb/gas/../include
-I/home/linuxembedded/linaro/lkd/openst-lkd/sources/binutils-gdb/gas/..
-I/home/linuxembedded/linaro/lkd/openst-lkd/sources/binutils-gdb/gas/../bfd
-DLOCALEDIR="\"/usr/share/locale\""  -W -Wall -Wstrict-prototypes
-Wmissing-prototypes -Wshadow -Wstack-usage=262144 -Werror
-I/home/linuxembedded/linaro/lkd/openst-lkd/sources/binutils-gdb/gas/../zlib
-g3 -O0 -fsanitize=undefined -MT tc-arm.o -MD -MP -MF .deps/tc-arm.Tpo -c -o
tc-arm.o `test -f 'config/tc-arm.c' || echo
'/home/linuxembedded/linaro/lkd/openst-lkd/sources/binutils-gdb/gas/'`config/tc-arm.c
/home/linuxembedded/linaro/lkd/openst-lkd/sources/binutils-gdb/gas/config/tc-arm.c:
In function ‘do_t_push_pop’:
/home/linuxembedded/linaro/lkd/openst-lkd/sources/binutils-gdb/gas/config/tc-arm.c:12519:23:
error: comparison between signed and unsigned integer expressions
[-Werror=sign-compare]
     && (mask & ~0xff) == (1 << (inst.instruction == T_MNEM_push
                       ^
cc1: all warnings being treated as errors
Makefile:972: recipe for target 'tc-arm.o' failed
make[5]: *** [tc-arm.o] Error 1

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