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* [gcc/devel/ranger] libstdc++: Fix failing test in debug mode
@ 2020-06-17 19:16 Aldy Hernandez
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From: Aldy Hernandez @ 2020-06-17 19:16 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:86e2dc22c91a722d2624c0010d81f1ce4b911bbd
commit 86e2dc22c91a722d2624c0010d81f1ce4b911bbd
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Thu Feb 27 17:22:50 2020 +0000
libstdc++: Fix failing test in debug mode
This fixes a failure due to a (correct) warning seen when testing with
-D_GLIBCXX_USE_CXX11_ABI=0 -D_GLIBCXX_ASSERTIONS:
include/bits/char_traits.h:365: warning: 'void* __builtin_memcpy(void*, const void*, long unsigned int)'
specified bound 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
FAIL: 21_strings/basic_string/cons/char/1.cc (test for excess errors)
* testsuite/21_strings/basic_string/cons/char/1.cc: Disable
-Wstringop-overflow warnings.
Diff:
---
libstdc++-v3/ChangeLog | 5 +++++
libstdc++-v3/testsuite/21_strings/basic_string/cons/char/1.cc | 2 ++
2 files changed, 7 insertions(+)
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 26e288d4f43..24ce2a140db 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2020-02-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/21_strings/basic_string/cons/char/1.cc: Disable
+ -Wstringop-overflow warnings.
+
2020-02-27 Jonathan Wakely <jwakely@redhat.com>
* testsuite/lib/libstdc++.exp (v3_target_compile): Add
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/1.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/1.cc
index 66054588273..1c3e43f2fd4 100644
--- a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/1.cc
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/1.cc
@@ -19,6 +19,8 @@
// 21.3.1 basic_string constructors.
+// { dg-options "-Wno-stringop-overflow" }
+
#include <new>
#include <stdexcept>
#include <testsuite_hooks.h>
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