https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102713
Bug ID: 102713
Summary: [12 regression] Several failures after r12-3273
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
previous run: g:b4e81f6dd48732ace73eebf1d2f46ca1d2533b79, r12-4272: 109
failures
this run : g:2b3014326fb883a96601a4dde295858d715289a7, r12-4273: 115
failures
FAIL: c-c++-common/Wstringop-overflow-2.c -Wc++-compat (test for excess
errors)
FAIL: c-c++-common/Wstringop-overflow-2.c -std=gnu++14 (test for excess
errors)
FAIL: c-c++-common/Wstringop-overflow-2.c -std=gnu++17 (test for excess
errors)
FAIL: c-c++-common/Wstringop-overflow-2.c -std=gnu++2a (test for excess
errors)
FAIL: c-c++-common/Wstringop-overflow-2.c -std=gnu++98 (test for excess
errors)
FAIL: gcc.dg/Warray-parameter-3.c (test for excess errors)
FAIL: gcc.dg/Wstringop-overflow-21.c (test for excess errors)
FAIL: gcc.dg/Wstringop-overflow-76.c (test for excess errors)
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c
-fdiagnostics-plain-output -Wall -Warray-parameter=1 -S -o
Warray-parameter-3.s^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c:57:12:
warning: argument 1 of type 'int[static 2]' with mismatched bound
[-Warray-parameter=]^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c:56:12:
note: previously declared as 'int[static 1]'^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c: In
function 'gcas3':^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c:81:4:
warning: array subscript 3 is outside array bounds of 'char[3]'
[-Warray-bounds]^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c:78:13:
note: at offset 3 into object 'a' of size [0, 3]^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c:80:8:
warning: writing 4 bytes into a region of size between 0 and 3
[-Wstringop-overflow=]^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c:78:13:
note: destination object 'a' of size [0, 3]^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c: In
function 'gias3':^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c:88:4:
warning: array subscript 3 is outside array bounds of 'int[3]'
[-Warray-bounds]^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c:85:12:
note: at offset 12 into object 'a' of size [0, 12]^M
PASS: gcc.dg/Warray-parameter-3.c (test for warnings, line 56)
PASS: gcc.dg/Warray-parameter-3.c (test for warnings, line 57)
PASS: gcc.dg/Warray-parameter-3.c (test for warnings, line 81)
PASS: gcc.dg/Warray-parameter-3.c (test for warnings, line 88)
FAIL: gcc.dg/Warray-parameter-3.c (test for excess errors)
Excess errors:
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Warray-parameter-3.c:80:8:
warning: writing 4 bytes into a region of size between 0 and 3
[-Wstringop-overflow=]
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c
-fdiagnostics-plain-output -O2 -Wall -Wno-array-bounds -S -o
Wstringop-overflow-21.s^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c: In
function 'test_memset_zero_length':^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c:18:3:
warning: '__builtin_memset' writing 3 bytes into a region of size 2 overflows
the destination [-Wstringop-overflow=]^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c:12:8:
note: at offset 1 into destination object 'a' of size 3^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c: In
function 'test_store_zero_length':^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c:26:8:
warning: writing 4 bytes into a region of size 3 [-Wstringop-overflow=]^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c:24:8:
note: destination object 'a' of size 3^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c: In
function 'test_memset_flexarray':^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c:45:3:
warning: '__builtin_memset' writing 3 bytes into a region of size 2 overflows
the destination [-Wstringop-overflow=]^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c:39:8:
note: at offset 1 into destination object 'a' of size 3^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c: In
function 'test_store_flexarray':^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c:53:8:
warning: writing 4 bytes into a region of size 3 [-Wstringop-overflow=]^M
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c:51:8:
note: destination object 'a' of size 3^M
PASS: gcc.dg/Wstringop-overflow-21.c (test for warnings, line 18)
PASS: gcc.dg/Wstringop-overflow-21.c (test for bogus messages, line 28)
FAIL: gcc.dg/Wstringop-overflow-21.c (test for warnings, line 29)
PASS: gcc.dg/Wstringop-overflow-21.c (test for warnings, line 45)
PASS: gcc.dg/Wstringop-overflow-21.c (test for bogus messages, line 55)
FAIL: gcc.dg/Wstringop-overflow-21.c (test for warnings, line 56)
FAIL: gcc.dg/Wstringop-overflow-21.c (test for excess errors)
Excess errors:
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c:26:8:
warning: writing 4 bytes into a region of size 3 [-Wstringop-overflow=]
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c:53:8:
warning: writing 4 bytes into a region of size 3 [-Wstringop-overflow=]
commit 2b3014326fb883a96601a4dde295858d715289a7 (HEAD, refs/bisect/bad)
Author: Kewen Lin <li...@linux.ibm.com>
Date: Sat Oct 9 04:17:07 2021 -0500
