http://sourceware.org/bugzilla/show_bug.cgi?id=13036
Summary: cross compiling gas for arm fails using gcc-4.5.2
where 4.5.1 worked
Product: binutils
Version: 2.21
Status: NEW
Severity: critical
Priority: P2
Component: gas
AssignedTo: unassig...@sources.redhat.com
ReportedBy: bugzi...@prograde.net
gcc-4.5.2 warns of two possible use-before-init cases that gcc-4.5.1 did not.
These warnings are elevated to errors which break building binutils.
I've seen this under binutils-2.21 and 2.21.1
-------
gcc -DHAVE_CONFIG_H -I.
-I/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/binutils-2.21.1/gas
-I.
-I/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/binutils-2.21.1/gas
-I../bfd
-I/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/binutils-2.21.1/gas/config
-I/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/binutils-2.21.1/gas/../include
-I/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/binutils-2.21.1/gas/..
-I/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/binutils-2.21.1/gas/../bfd
-DLOCALEDIR="\"/opt/crosstool/gcc-4.5.3-glibc-2.13/arm-amp-linux-gnueabi/share/locale\""
-W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Werror -g -O2 -MT
tc-arm.o -MD -MP -MF .deps/tc-arm.Tpo -c -o tc-arm.o `test -f 'config/tc-arm.c'
|| echo
'/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/binutils-2.21.1/gas/'`config/tc-arm.c
cc1: warnings being treated as errors
/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/binutils-2.21.1/gas/config/tc-arm.c:
In function ‘parse_operands’:
/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/binutils-2.21.1/gas/config/tc-arm.c:1895:27:
error: ‘firsttype$defined’ may be used uninitialized in this function
/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/binutils-2.21.1/gas/config/tc-arm.c:1895:27:
error: ‘firsttype$index’ may be used uninitialized in this function
make[4]: *** [tc-arm.o] Error 1
make[4]: Leaving directory
`/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/build-binutils/gas'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory
`/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/build-binutils/gas'
make[2]: *** [all] Error 2
make[2]: Leaving directory
`/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/build-binutils/gas'
make[1]: *** [all-gas] Error 2
make[1]: *** Waiting for unfinished jobs....
make[4]: Leaving directory
`/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/build-binutils/binutils'
make[3]: Leaving directory
`/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/build-binutils/binutils'
make[2]: Leaving directory
`/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/build-binutils/binutils'
make[1]: Leaving directory
`/home/cashwell/Documents/cross/crosstool-0.43/build/arm-amp-linux-gnueabi/gcc-4.5.3-glibc-2.13/build-binutils'
make: *** [all] Error 2
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