On Tue, 2020-09-01 at 16:13 -0600, Martin Sebor wrote: > On 9/1/20 2:09 AM, Christophe Lyon wrote: > > On Mon, 31 Aug 2020 at 23:50, Martin Sebor <mse...@gmail.com> wrote: > > > On 8/31/20 4:51 AM, Christophe Lyon wrote: > > > > Hi, > > > > > > > ... > > > > I pushed a small aarch64 patch as obvious: > > > > 2020-08-31 Christophe Lyon <christophe.l...@linaro.org> > > > > > > > > gcc/testsuite/ > > > > * gcc.target/aarch64/strcmpopt_6.c: Suppress > > > > -Wstringop-overread. > > > > (same as you added for i386) > > > > > > Thank you! > > > > > > > On arm, there is a regression: > > > > FAIL: c-c++-common/Warray-bounds-6.c -Wc++-compat (test for excess > > > > errors) > > > > Excess errors: > > > > /gcc/testsuite/c-c++-common/Warray-bounds-6.c:16:3: warning: 'strncpy' > > > > writing 1 or more bytes into a region of size 0 overflows the > > > > destination [-Wstringop-overflow=] > > > > > > > > and the new test has several failures: > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 100) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 110) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 167) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 177) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 279) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 289) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 338) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 372) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 374) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 532) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 566) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 568) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 74) > > > > gcc.dg/Wstringop-overread.c (test for warnings, line 84) > > > > FAIL: gcc.dg/Wstringop-overread.c (test for excess errors) > > > > Excess errors: > > > > /gcc/testsuite/gcc.dg/Wstringop-overread.c:302:3: warning: 'strnlen' > > > > specified bound [1, 4294967295] exceeds source size 0 > > > > [-Wstringop-overread] > > > > /gcc/testsuite/gcc.dg/Wstringop-overread.c:306:3: warning: 'strnlen' > > > > specified bound [1, 4294967295] exceeds source size 0 > > > > [-Wstringop-overread] > > > > /gcc/testsuite/gcc.dg/Wstringop-overread.c:312:3: warning: 'strnlen' > > > > specified bound [1, 4294967295] exceeds source size 0 > > > > [-Wstringop-overread] > > > > /gcc/testsuite/gcc.dg/Wstringop-overread.c:323:3: warning: 'strnlen' > > > > reading 1 or more bytes from a region of size 0 [-Wstringop-overread] > > > > /gcc/testsuite/gcc.dg/Wstringop-overread.c:351:3: warning: 'strnlen' > > > > reading 1 or more bytes from a region of size 0 [-Wstringop-overread] > > > > /gcc/testsuite/gcc.dg/Wstringop-overread.c:498:3: warning: 'strndup' > > > > specified bound [1, 4294967295] exceeds source size 0 > > > > [-Wstringop-overread] > > > > /gcc/testsuite/gcc.dg/Wstringop-overread.c:502:3: warning: 'strndup' > > > > specified bound [1, 4294967295] exceeds source size 0 > > > > [-Wstringop-overread] > > > > /gcc/testsuite/gcc.dg/Wstringop-overread.c:508:3: warning: 'strndup' > > > > specified bound [1, 4294967295] exceeds source size 0 > > > > [-Wstringop-overread] > > > > /gcc/testsuite/gcc.dg/Wstringop-overread.c:518:3: warning: 'strndup' > > > > reading 1 or more bytes from a region of size 0 [-Wstringop-overread] > > > > /gcc/testsuite/gcc.dg/Wstringop-overread.c:545:3: warning: 'strndup' > > > > reading 1 or more bytes from a region of size 0 [-Wstringop-overread] > > > > > > > > Can you check these? > > > > > > They should be fixed as of yesterday: > > > https://gcc.gnu.org/pipermail/gcc-patches/2020-August/552976.html > > > > > > Can you please retest with an updated build? > > > > Indeed, thanks! > > > > With this commit: > https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553109.html > the remaining failures should now be gone. Please let me know if > any persist. There's a related glibc build failure, but I think Joseph ack'd a fix for it today.
jeff >
