https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102944
Bug ID: 102944
Summary: Many gcc.dg/Wstringop-overflow-*.c failures
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: testsuite
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
CC: crazylht at gmail dot com
Target Milestone: ---
Target: sparc-sun-solaris2.11, m68k-unknown-linux-gnu,
moxie-unknown-elf, aarch64-suse-linux-gnu,
mipsel-mti-elf, arm-none-linux-gnueabihf
Between 20211019 (ff0eec94e87dfb7dc387f120ca5ade2707aecf50) and 20211020
(d98626bf451dea6a28a42d953f7d0bd7659ad4d5),
quite a number of testsuite failures occured. I'm seeing them on Solaris/SPARC
(32 and 64-bit), but gcc-testresults show reports for many others:
+FAIL: gcc.dg/Warray-parameter-3.c pr102706 (test for warnings, line 80)
+FAIL: gcc.dg/Wstringop-overflow-14.c pr102706 (test for warnings, line 39)
+XPASS: gcc.dg/Wstringop-overflow-14.c pr102706 (test for warnings, line 40)
+FAIL: gcc.dg/Wstringop-overflow-68.c pr101475 (test for warnings, line 68)
+FAIL: gcc.dg/Wstringop-overflow-68.c pr101475 (test for warnings, line 69)
+XPASS: gcc.dg/Wstringop-overflow-68.c pr101475 (test for warnings, line 70)
+XPASS: gcc.dg/Wstringop-overflow-68.c pr101475 (test for warnings, line 71)
+XPASS: gcc.dg/Wstringop-overflow-68.c pr101475 (test for warnings, line 72)
+XPASS: gcc.dg/Wstringop-overflow-76.c note (test for warnings, line 107)
+XPASS: gcc.dg/Wstringop-overflow-76.c note (test for warnings, line 86)
+XPASS: gcc.dg/Wstringop-overflow-76.c pr102697 (test for warnings, line 119)
+XPASS: gcc.dg/Wstringop-overflow-76.c pr102697 (test for warnings, line 99)
+FAIL: gcc.dg/Wstringop-overflow-76.c pr102706 (test for warnings, line 30)
+XPASS: gcc.dg/Wstringop-overflow-76.c pr102706 (test for warnings, line 33)
+FAIL: gcc.dg/Wstringop-overflow-76.c pr102706 (test for warnings, line 47)
+XPASS: gcc.dg/Wstringop-overflow-76.c pr102706 (test for warnings, line 50)
AFAICS they are due to
commit 3c8d8c0be95e99dc0cba7f6fad2429243582119f
Author: liuhongt <hongtao....@intel.com>
Date: Thu Oct 14 09:31:03 2021 +0800
Adjust testcase for O2 vectorization.
