diff --git a/0001-Fix-uninitialized-value-in-ABIArgInfo.patch b/0001-Fix-uninitialized-value-in-ABIArgInfo.patch
new file mode 100644
index 0000000000000000000000000000000000000000..9755200a7668880c9805235ecee87fbcc1628220
--- /dev/null
+++ b/0001-Fix-uninitialized-value-in-ABIArgInfo.patch
@@ -0,0 +1,38 @@
+From 565b9633ee68b311c1a954022869d9e99fee7286 Mon Sep 17 00:00:00 2001
+From: serge-sans-paille <sguelton@redhat.com>
+Date: Fri, 1 Feb 2019 06:39:13 +0000
+Subject: [PATCH] Fix uninitialized value in ABIArgInfo
+
+GCC-9 takes advantage of this uninitialized values to optimize stuff,
+which ends up in failing validation when compiling clang.
+---
+ include/clang/CodeGen/CGFunctionInfo.h | 11 +++++------
+ 1 file changed, 5 insertions(+), 6 deletions(-)
+
+diff --git a/include/clang/CodeGen/CGFunctionInfo.h b/include/clang/CodeGen/CGFunctionInfo.h
+index cf64e9f3ee..131eb38393 100644
+--- a/include/clang/CodeGen/CGFunctionInfo.h
++++ b/include/clang/CodeGen/CGFunctionInfo.h
+@@ -112,14 +112,13 @@ private:
+   }
+ 
+   ABIArgInfo(Kind K)
+-      : TheKind(K), PaddingInReg(false), InReg(false), SuppressSRet(false) {
+-  }
++      : TypeData(nullptr), PaddingType(nullptr), DirectOffset(0),
++        TheKind(K), PaddingInReg(false), InAllocaSRet(false), IndirectByVal(false),
++        IndirectRealign(false), SRetAfterThis(false), InReg(false),
++        CanBeFlattened(false), SignExt(false), SuppressSRet(false) {}
+ 
+ public:
+-  ABIArgInfo()
+-      : TypeData(nullptr), PaddingType(nullptr), DirectOffset(0),
+-        TheKind(Direct), PaddingInReg(false), InReg(false),
+-        SuppressSRet(false) {}
++  ABIArgInfo() : ABIArgInfo(Direct) {}
+ 
+   static ABIArgInfo getDirect(llvm::Type *T = nullptr, unsigned Offset = 0,
+                               llvm::Type *Padding = nullptr,
+-- 
+2.19.2
+
diff --git a/clang.spec b/clang.spec
index ac434e9a677386b611e7009cbb8511ae5def7fda..994e9e68eb03ac1848c7088ca1f04f0f16e5a454 100644
--- a/clang.spec
+++ b/clang.spec
@@ -7,7 +7,7 @@
 
 Name:		clang
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	6
+Release:	7
 License:	NCSA
 Summary:	An "LLVM native" C/C++/Objective-C compiler
 URL:		http://llvm.org
@@ -22,6 +22,7 @@ Patch4:		0001-gtest-reorg.patch
 Patch5:		0001-Don-t-prefer-python2.7.patch
 Patch6:		0001-Convert-clang-format-diff.py-to-python3-using-2to3.patch
 Patch7:		0001-Convert-scan-view-to-python3-using-2to3.patch
+Patch8:		0001-Fix-uninitialized-value-in-ABIArgInfo.patch
 
 BuildRequires:  cmake gcc-c++ python-sphinx git
 BuildRequires:	llvm-devel = %{version}
@@ -249,6 +250,9 @@ false
 %{python2_sitelib}/clang/
 
 %changelog
+* Thu May 28 2020 leiju <leiju4@huawei.com> - 7.0.0-7
+- Fix uninitialized value in ABIArgInfo
+
 * Fri Apr 03 2020 zhouyihang <zhouyihang1@huawei.com> - 7.0.0-6
 - Remove useless scriptlet
 
diff --git a/clang.yaml b/clang.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..7d98bd835f0acc97da741f20f900a6ebae1512c5
--- /dev/null
+++ b/clang.yaml
@@ -0,0 +1,4 @@
+version_control: github
+src_repo: llvm/llvm-project
+tag_prefix: ^llvmorg-
+seperator: .