https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106149
Bug ID: 106149 Summary: [13 regression] g++.dg/warn/Warray-bounds-16.C had bogus errors after r13-1366-g1eef21ccfa5988 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: seurer at gcc dot gnu.org Target Milestone: --- g:1eef21ccfa5988a23a3b71a99613f27ea6a26da6, r13-1366-g1eef21ccfa5988 make -k check-gcc RUNTESTFLAGS="--target_board=unix'{-m32}' dg.exp=g++.dg/warn/Warray-bounds-16.C" FAIL: g++.dg/warn/Warray-bounds-16.C -std=gnu++98 pr102690 (test for bogus messages, line 22) FAIL: g++.dg/warn/Warray-bounds-16.C -std=gnu++14 pr102690 (test for bogus messages, line 22) FAIL: g++.dg/warn/Warray-bounds-16.C -std=gnu++17 pr102690 (test for bogus messages, line 22) FAIL: g++.dg/warn/Warray-bounds-16.C -std=gnu++20 pr102690 (test for bogus messages, line 22) # of expected passes 4 # of unexpected failures 4 I am seeing this only for -m32 test runs. spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/testsuite/g++/../../xg++ -B/home/seurer/gcc/git/build/gcc-test/gcc/testsuite/g++/../../ /home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/warn/Warray-bounds-16.C -m32 -fdiagnostics-plain-output -nostdinc++ -I/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/32/libstdc++-v3/include/powerpc64-unknown-linux-gnu -I/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/32/libstdc++-v3/include -I/home/seurer/gcc/git/gcc-test/libstdc++-v3/libsupc++ -I/home/seurer/gcc/git/gcc-test/libstdc++-v3/include/backward -I/home/seurer/gcc/git/gcc-test/libstdc++-v3/testsuite/util -fmessage-length=0 -std=gnu++98 -O2 -Wall -fdump-tree-optimized -S -o Warray-bounds-16.s In constructor 'S::S(int)', inlined from 'void __static_initialization_and_destruction_0()' at /home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/warn/Warray-bounds-16.C:26:7, inlined from '(static initializers for /home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/warn/Warray-bounds-16.C)' at /home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/warn/Warray-bounds-16.C:26:8: /home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/warn/Warray-bounds-16.C:22:7: warning: array subscript [0, 536870911] is outside array bounds of 'void [0]' [-Warray-bounds] /home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/warn/Warray-bounds-16.C:19:51: note: object of size 0 allocated by 'operator new []' FAIL: g++.dg/warn/Warray-bounds-16.C -std=gnu++98 pr102690 (test for bogus messages, line 22) commit 1eef21ccfa5988a23a3b71a99613f27ea6a26da6 Author: Jonathan Wakely <jwak...@redhat.com> Date: Tue Jun 28 16:09:21 2022 +0100 libstdc++: Improve exceptions thrown from fs::temp_directory_path