centos7-packages/llvm/clang-link-libgcc.patch

diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index dfcef2304040..d64f1cb61bd2 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -797,6 +797,8 @@ void tools::linkSanitizerRuntimeDeps(const ToolChain &TC,
       TC.getTriple().isOSNetBSD() ||
       TC.getTriple().isOSOpenBSD())
     CmdArgs.push_back("-lexecinfo");
+
+  CmdArgs.push_back("-lgcc");
 }
 
 static void
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 7a9570a686f4..96c777cea095 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -576,6 +576,7 @@ void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA,
         CmdArgs.push_back("-Bdynamic");
     }
     CmdArgs.push_back("-lm");
+    CmdArgs.push_back("-lgcc");
   }
   // Silence warnings when linking C code with a C++ '-stdlib' argument.
   Args.ClaimAllArgs(options::OPT_stdlib_EQ);