https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114568
Bug ID: 114568 Summary: [14 regression] g++.dg/vect/pr84556.cc fails to produce executable since r14-9706-gb8e7aaaf350a45 Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: testsuite Assignee: unassigned at gcc dot gnu.org Reporter: thiago.bauermann at linaro dot org CC: mkuvyrkov at gcc dot gnu.org Target Milestone: --- After g:b8e7aaaf350a4584d9b76e8dd69daa2203bac339, r14-9706-gb8e7aaaf350a45 we have noticed a regression on our "thumb_m3_eabi" and "thumb_m55_hard_eabi" (more details about them later): Running g++:g++.dg/vect/vect.exp ... FAIL: g++.dg/vect/pr84556.cc -std=c++14 (test for excess errors) UNRESOLVED: g++.dg/vect/pr84556.cc -std=c++14 compilation failed to produce executable FAIL: g++.dg/vect/pr84556.cc -std=c++17 (test for excess errors) UNRESOLVED: g++.dg/vect/pr84556.cc -std=c++17 compilation failed to produce executable FAIL: g++.dg/vect/pr84556.cc -std=c++20 (test for excess errors) UNRESOLVED: g++.dg/vect/pr84556.cc -std=c++20 compilation failed to produce executable commit b8e7aaaf350a4584d9b76e8dd69daa2203bac339 Author: Maxim Kuvyrkov <maxim.kuvyr...@linaro.org> CommitDate: Thu Mar 28 13:38:59 2024 +0000 [testsuite] Fixup dg-options in {gcc,g++,gfortran}.dg/vect.exp tests This is the part of g++.log showing the problem: spawn -ignore SIGHUP /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu/bin/arm-eabi-g++ /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/gcc/testsuite/g++.dg/vect/pr84556.cc -mthumb -march=armv8.1-m.main+mve.fp+fp.dp -mtune=cortex-m55 -mfloat-abi=hard -mfpu=auto -fdiagnostics-plain-output -nostdinc++ -I/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-eabi/gcc-gcc.git~master-stage2/arm-eabi/libstdc++-v3/include/arm-eabi -I/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-eabi/gcc-gcc.git~master-stage2/arm-eabi/libstdc++-v3/include -I/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/libstdc++-v3/libsupc++ -I/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/libstdc++-v3/include/backward -I/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/libstdc++-v3/testsuite/util -fmessage-length=0 -std=c++20 -O2 -ftree-vectorize -fno-vect-cost-model -mfpu=neon -mfloat-abi=softfp -march=armv7-a -ffast-math -fdump-tree-vect-details -O2 -fopenmp-simd -specs=rdimon.specs -L/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-eabi/gcc-gcc.git~master-stage2/arm-eabi/./libstdc++-v3/src/.libs -B/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-eabi/gcc-gcc.git~master-stage2/arm-eabi/./libstdc++-v3/src/.libs -L/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-eabi/gcc-gcc.git~master-stage2/arm-eabi/./libstdc++-v3/src/experimental/.libs -lm -o ./pr84556.exe /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu/lib/gcc/arm-eabi/14.0.1/../../../../arm-eabi/bin/ld: error: ./pr84556.exe uses VFP register arguments, /tmp/cce7HucW.o does not /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu/lib/gcc/arm-eabi/14.0.1/../../../../arm-eabi/bin/ld: error: /tmp/cce7HucW.o: conflicting architecture profiles A/M /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu/lib/gcc/arm-eabi/14.0.1/../../../../arm-eabi/bin/ld: failed to merge target specific data of file /tmp/cce7HucW.o collect2: error: ld returned 1 exit status compiler exited with status 1 I selected "testsuite" as the problematic component because the commit above only made testsuite changes, but I'm not sure if this is a symptom of a problem somewhere else. In the "thumb_m3_eabi" configuration, GCC was configured with: /home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/configure \ SHELL=/bin/bash \ --with-mpc=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-pc-linux-gnu \ --with-mpfr=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-pc-linux-gnu \ --with-gmp=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-pc-linux-gnu \ --with-gnu-as \ --with-gnu-ld \ --disable-libmudflap \ --enable-lto \ --enable-shared \ --without-included-gettext \ --enable-nls \ --with-system-zlib \ --disable-sjlj-exceptions \ --enable-gnu-unique-object \ --enable-linker-build-id \ --disable-libstdcxx-pch \ --enable-c99 \ --enable-clocale=gnu \ --enable-libstdcxx-debug \ --enable-long-long \ --with-cloog=no \ --with-ppl=no \ --with-isl=no \ --enable-threads=no \ --disable-multiarch \ --disable-multilib \ --with-mode=thumb \ --with-cpu=cortex-m3 \ --with-float=softfp \ --with-sysroot=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-pc-linux-gnu/arm-eabi \ --with-headers=yes \ --with-native-system-header-dir=/include \ --with-newlib \ --enable-checking=yes \ --disable-bootstrap \ --enable-languages=c,c++,lto \ --prefix=/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/destdir/x86_64-pc-linux-gnu \ --build=x86_64-pc-linux-gnu \ --host=x86_64-pc-linux-gnu \ --target=arm-eabi In the "thumb_m55_hard_eabi" configuration, GCC was configured with: /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/snapshots/gcc.git~master/configure \ SHELL=/bin/bash \ --with-mpc=/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu \ --with-mpfr=/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu \ --with-gmp=/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu \ --with-gnu-as \ --with-gnu-ld \ --disable-libmudflap \ --enable-lto \ --enable-shared \ --without-included-gettext \ --enable-nls \ --with-system-zlib \ --disable-sjlj-exceptions \ --enable-gnu-unique-object \ --enable-linker-build-id \ --disable-libstdcxx-pch \ --enable-c99 \ --enable-clocale=gnu \ --enable-libstdcxx-debug \ --enable-long-long \ --with-cloog=no \ --with-ppl=no \ --with-isl=no \ --enable-threads=no \ --disable-multiarch \ --disable-multilib \ --with-mode=thumb \ --with-arch=armv8.1-m.main+mve.fp+fp.dp \ --with-float=hard \ --with-sysroot=/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu/arm-eabi \ --with-headers=yes \ --with-native-system-header-dir=/include \ --with-newlib \ --enable-checking=yes \ --disable-bootstrap \ --enable-languages=c,c++,lto \ --prefix=/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/destdir/x86_64-pc-linux-gnu \ --build=x86_64-pc-linux-gnu \ --host=x86_64-pc-linux-gnu \ --target=arm-eabi