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Work around false positive Wuninitialized warning with gcc-11

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This commit is contained in:
Jeff Law 2020-10-15 15:57:03 -06:00
parent e75f344455
commit 8af01a1435
2 changed files with 39 additions and 1 deletions
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32
memkind-gcc11.patch Normal file
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@ -0,0 +1,32 @@
diff --git a/memkind-1.10.1/test/gtest_fused/gtest/gtest-all.cc b/memkind-1.10.1/test/gtest_fused/gtest/gtest-all.cc
index 1120ce8..5d29d98 100644
--- a/memkind-1.10.1/test/gtest_fused/gtest/gtest-all.cc
+++ b/memkind-1.10.1/test/gtest_fused/gtest/gtest-all.cc
@@ -7944,9 +7944,9 @@ void StackLowerThanAddress(const void* ptr, bool* result) {
// Make sure AddressSanitizer does not tamper with the stack here.
GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
bool StackGrowsDown() {
- int dummy;
+ volatile int dummy = 0;
bool result;
- StackLowerThanAddress(&dummy, &result);
+ StackLowerThanAddress((const void *)&dummy, &result);
return result;
}
diff --git a/test/gtest_fused/gtest/gtest-all.cc b/test/gtest_fused/gtest/gtest-all.cc
index 1120ce8..5d29d98 100644
--- a/test/gtest_fused/gtest/gtest-all.cc
+++ b/test/gtest_fused/gtest/gtest-all.cc
@@ -7944,9 +7944,9 @@ void StackLowerThanAddress(const void* ptr, bool* result) {
// Make sure AddressSanitizer does not tamper with the stack here.
GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
bool StackGrowsDown() {
- int dummy;
+ volatile int dummy = 0;
bool result;
- StackLowerThanAddress(&dummy, &result);
+ StackLowerThanAddress((const void *)&dummy, &result);
return result;
}

8
memkind.spec
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@ -3,7 +3,7 @@
Name: memkind
Summary: User Extensible Heap Manager
Version: 1.10.1
Release: 1%{?checkout}%{?dist}
Release: 2%{?checkout}%{?dist}
License: BSD
URL: http://memkind.github.io/memkind
BuildRequires: automake libtool numactl-devel systemd gcc gcc-c++ daxctl-devel
@ -13,6 +13,8 @@ BuildRequires: automake libtool numactl-devel systemd gcc gcc-c++ daxctl-devel
ExclusiveArch: x86_64 ppc64 ppc64le s390x aarch64
Source0: https://github.com/%{name}/%{name}/archive/%{gittag0}/%{name}-%{version}.tar.gz
# Work around false positive Wuninitialized warning with gcc-11
Patch0: memkind-gcc11.patch
%description
The memkind library is an user extensible heap manager built on top of
@ -44,6 +46,7 @@ alpha release. Feedback on design or implementation is greatly appreciated.
%prep
%setup -q -a 0 -n %{name}-%{version}
%patch0 -p1
%build
# It is required that we configure and build the jemalloc subdirectory
@ -91,6 +94,9 @@ rm -f %{buildroot}/%{_docdir}/%{name}/VERSION
%{_mandir}/man3/pmemallocator.3.*
%changelog
* Thu Oct 15 2020 Rafael Aquini <aquini@linux.com> - 1.10.1-2
- Work around false positive warning with gcc-11
* Wed Oct 07 2020 Rafael Aquini <aquini@linux.com> - 1.10.1-1
- Update memkind source file to 1.10.1 upstream