https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94359
Bug ID: 94359 Summary: new test case g++.dg/coroutines/torture/symmetric-transfer-00-basic. C fails Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: seurer at linux dot vnet.ibm.com Target Milestone: --- FAIL: g++.dg/coroutines/torture/symmetric-transfer-00-basic.C -O0 (test for excess errors) FAIL: g++.dg/coroutines/torture/symmetric-transfer-00-basic.C -O1 (test for excess errors) FAIL: g++.dg/coroutines/torture/symmetric-transfer-00-basic.C -O2 execution test FAIL: g++.dg/coroutines/torture/symmetric-transfer-00-basic.C -O2 -flto -fno-use-linker-plugin -flto-partition=none execution test FAIL: g++.dg/coroutines/torture/symmetric-transfer-00-basic.C -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects execution test FAIL: g++.dg/coroutines/torture/symmetric-transfer-00-basic.C -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions execution test FAIL: g++.dg/coroutines/torture/symmetric-transfer-00-basic.C -O3 -g execution test FAIL: g++.dg/coroutines/torture/symmetric-transfer-00-basic.C -Os execution test FAIL: g++.dg/coroutines/torture/symmetric-transfer-00-basic.C (test for excess errors) 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/coroutines/torture/symmetric-transfer-00-basic.C -fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers -fdiagnostics-color=never -fdiagnostics-urls=never -nostdinc++ -I/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/libstdc++-v3/include/powerpc64-unknown-linux-gnu -I/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/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 -pedantic-errors -Wno-long-long -std=c++17 -fcoroutines -L/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/./libstdc++-v3/src/.libs -B/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/./libstdc++-v3/src/.libs -L/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/./libstdc++-v3/src/.libs -B/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/./libitm/ -L/home/seurer/gcc/git/build/gcc-test/powerpc64-unknown-linux-gnu/./libitm/.libs -lm -o ./symmetric-transfer-00-basic.exe /home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/coroutines/torture/symmetric-transfer-00-basic.C: In function 'void _Z8pingpongPKc.actor(pingpong(const char*)::_Z8pingpongPKc.frame*)': /home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/coroutines/torture/symmetric-transfer-00-basic.C:75:1: error: cannot tail-call: target is not able to optimize the call into a sibling call compiler exited with status 1