[XRay] Do not depend on C++ stdlib for XRay builds

Summary:
Now that XRay doesn't require a runtime dependency on a C++ standard
library, we remove that dependency from the clang linker flags.

Reviewers: saugustine, pelikan

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D31313

llvm-svn: 298670

diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index fe3c019..3746f84 100644 (file)
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -348,8 +348,6 @@ static void linkXRayRuntimeDeps(const ToolChain &TC, const ArgList &Args,
   CmdArgs.push_back("-lm");
   CmdArgs.push_back("-latomic");
 
-  TC.AddCXXStdlibLibArgs(Args, CmdArgs);
-
   if (TC.getTriple().getOS() != llvm::Triple::FreeBSD)
     CmdArgs.push_back("-ldl");
 }