https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81784
Bug ID: 81784 Summary: [8 regression] gcc.dg/compare2.c fails starting with r250984 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: testsuite Assignee: unassigned at gcc dot gnu.org Reporter: seurer at gcc dot gnu.org Target Milestone: --- The recent change to the test case gcc.dg/compare2.c doesn't seem to work quite right. At least not on powerpc64 where it fails on both BE and LE (tested on power8). spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-trunk/gcc/xgcc -B/home/seurer/gcc/build/gcc-trunk/gcc/ /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c -fno-diagnostics-show-caret -fdiagnostics-color=never -Wsign-compare -S -o compare2.s /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c: In function 'f': /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:21:5: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:25:5: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:37:5: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:41:5: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:49:12: warning: operand of ?: changes signedness from 'int' to 'unsigned int' due to unsignedness of other operand [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:57:12: warning: operand of ?: changes signedness from 'int' to 'unsigned int' due to unsignedness of other operand [-Wsign-compare] output is: /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c: In function 'f': /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:21:5: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:25:5: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:37:5: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:41:5: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:49:12: warning: operand of ?: changes signedness from 'int' to 'unsigned int' due to unsignedness of other operand [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:57:12: warning: operand of ?: changes signedness from 'int' to 'unsigned int' due to unsignedness of other operand [-Wsign-compare] PASS: gcc.dg/compare2.c case 1 (test for bogus messages, line 12) PASS: gcc.dg/compare2.c case 2 (test for bogus messages, line 13) PASS: gcc.dg/compare2.c case 3 (test for bogus messages, line 16) PASS: gcc.dg/compare2.c case 4 (test for bogus messages, line 17) PASS: gcc.dg/compare2.c case 5 (test for bogus messages, line 20) PASS: gcc.dg/compare2.c case 6 (test for warnings, line 21) PASS: gcc.dg/compare2.c case 7 (test for bogus messages, line 24) PASS: gcc.dg/compare2.c case 8 (test for warnings, line 25) PASS: gcc.dg/compare2.c case 9 (test for bogus messages, line 28) PASS: gcc.dg/compare2.c case 10 (test for bogus messages, line 29) PASS: gcc.dg/compare2.c case 11 (test for bogus messages, line 32) PASS: gcc.dg/compare2.c case 12 (test for bogus messages, line 33) PASS: gcc.dg/compare2.c case 13 (test for bogus messages, line 36) PASS: gcc.dg/compare2.c case 14 (test for warnings, line 37) PASS: gcc.dg/compare2.c case 15 (test for bogus messages, line 40) PASS: gcc.dg/compare2.c case 16 (test for warnings, line 41) PASS: gcc.dg/compare2.c case 17 (test for bogus messages, line 44) PASS: gcc.dg/compare2.c case 18 (test for bogus messages, line 45) PASS: gcc.dg/compare2.c case 19 (test for bogus messages, line 48) FAIL: gcc.dg/compare2.c case 20 (test for warnings, line 49) PASS: gcc.dg/compare2.c case 21 (test for bogus messages, line 52) PASS: gcc.dg/compare2.c case 22 (test for bogus messages, line 53) PASS: gcc.dg/compare2.c case 23 (test for bogus messages, line 56) FAIL: gcc.dg/compare2.c case 24 (test for warnings, line 57) FAIL: gcc.dg/compare2.c (test for excess errors) Excess errors: /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:49:12: warning: operand of ?: changes signedness from 'int' to 'unsigned int' due to unsignedness of other operand [-Wsign-compare] /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/compare2.c:57:12: warning: operand of ?: changes signedness from 'int' to 'unsigned int' due to unsignedness of other operand [-Wsign-compare] testcase /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/dg.exp completed in 0 seconds === gcc Summary === # of expected passes 22 # of unexpected failures 3