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
