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* [Bug target/100332] New: mcore-elf: error: 'prev_addr' may be used uninitialized in this function [-Werror=maybe-uninitialized]
@ 2021-04-29 10:44 jbglaw@lug-owl.de
2023-05-21 8:16 ` [Bug target/100332] " jbglaw@lug-owl.de
0 siblings, 1 reply; 2+ messages in thread
From: jbglaw@lug-owl.de @ 2021-04-29 10:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100332
Bug ID: 100332
Summary: mcore-elf: error: 'prev_addr' may be used
uninitialized in this function
[-Werror=maybe-uninitialized]
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: jbglaw@lug-owl.de
Target Milestone: ---
I'm revamping my testing efforts, building cross compilers based on targets
listed in ./contrib/config-list.mk.
With .../configure --target=mcore-elf --enable-werror-always
--enable-languages=all --prefix=/tmp/gcc-mcore-elf (using g++ (Debian
20210320-1) 11.0.1 20210320 (experimental) [master revision
3279a9a5a9a:6526c452d22:5f256a70a05fcfc5a1caf56678ceb12b4f87f781] as the host's
compiler), build breaks (as of 37846c42f1f5ac4d9ba190d49c4373673c89c8b5) with
this (cf. http://toolchain.lug-owl.de:8080/jobs/gcc-mcore-elf/11):
make all-gcc
[...]
all 2021-04-29 09:39:37.528923] /usr/lib/gcc-snapshot/bin/g++ -fno-PIE -c -g
-O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-error=format-diag -Wmissing-format-attribute
-Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -I. -I.
-I../.././gcc -I../.././gcc/. -I../.././gcc/../include
-I../.././gcc/../libcpp/include -I../.././gcc/../libcody
-I../.././gcc/../libdecnumber -I../.././gcc/../libdecnumber/dpd
-I../libdecnumber -I../.././gcc/../libbacktrace -o dwarf2out.o -MT
dwarf2out.o -MMD -MP -MF ./.deps/dwarf2out.TPo ../.././gcc/dwarf2out.c
[all 2021-04-29 09:40:06.839260] ../.././gcc/dwarf2out.c: In function 'void
output_one_line_info_table(dw_line_info_table*)':
[all 2021-04-29 09:40:06.839476] ../.././gcc/dwarf2out.c:12831:82: error:
'prev_addr' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
[all 2021-04-29 09:40:06.839552] 12831 |
ASM_GENERATE_INTERNAL_LABEL (prev_label, LINE_CODE_LABEL, prev_addr->val);
[all 2021-04-29 09:40:06.839627] |
^~~
[all 2021-04-29 09:41:39.466117] cc1plus: all warnings being treated as errors
[all 2021-04-29 09:41:39.525930] make[1]: *** [Makefile:1141: dwarf2out.o]
Error 1
[all 2021-04-29 09:41:39.578999] make[1]: Leaving directory
'/var/lib/laminar/run/gcc-mcore-elf/11/gcc/host-x86_64-pc-linux-gnu/gcc'
[all 2021-04-29 09:41:39.818955] make: *** [Makefile:4428: all-gcc] Error 2
Thanks,
Jan-Benedict
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-04-29 10:44 [Bug target/100332] New: mcore-elf: error: 'prev_addr' may be used uninitialized in this function [-Werror=maybe-uninitialized] jbglaw@lug-owl.de
2023-05-21 8:16 ` [Bug target/100332] " jbglaw@lug-owl.de
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