diff --git a/clang/lib/Driver/ToolChains/Ananas.cpp b/clang/lib/Driver/ToolChains/Ananas.cpp
index a67e1d2..ee072cc 100644
--- a/clang/lib/Driver/ToolChains/Ananas.cpp
+++ b/clang/lib/Driver/ToolChains/Ananas.cpp
@@ -91,11 +91,10 @@
 
   AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
 
-  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
-    if (D.CCCIsCXX())
-      ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
+  if (ToolChain.ShouldLinkCXXStdlib(Args))
+    ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
+  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs))
     CmdArgs.push_back("-lc");
-  }
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
     CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o")));
diff --git a/clang/lib/Driver/ToolChains/BareMetal.cpp b/clang/lib/Driver/ToolChains/BareMetal.cpp
index 5dc6dfa..529a209 100644
--- a/clang/lib/Driver/ToolChains/BareMetal.cpp
+++ b/clang/lib/Driver/ToolChains/BareMetal.cpp
@@ -192,10 +192,9 @@
                             options::OPT_e, options::OPT_s, options::OPT_t,
                             options::OPT_Z_Flag, options::OPT_r});
 
+  if (TC.ShouldLinkCXXStdlib(Args))
+    TC.AddCXXStdlibLibArgs(Args, CmdArgs);
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
-    if (C.getDriver().CCCIsCXX())
-      TC.AddCXXStdlibLibArgs(Args, CmdArgs);
-
     CmdArgs.push_back("-lc");
     CmdArgs.push_back("-lm");
 
diff --git a/clang/lib/Driver/ToolChains/CloudABI.cpp b/clang/lib/Driver/ToolChains/CloudABI.cpp
index 0f6c712..cdf807f 100644
--- a/clang/lib/Driver/ToolChains/CloudABI.cpp
+++ b/clang/lib/Driver/ToolChains/CloudABI.cpp
@@ -80,9 +80,9 @@
 
   AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
 
+  if (ToolChain.ShouldLinkCXXStdlib(Args))
+    ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
-    if (D.CCCIsCXX())
-      ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
     CmdArgs.push_back("-lc");
     CmdArgs.push_back("-lcompiler_rt");
   }
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index 00bd60b..aea36cd 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -600,10 +600,12 @@
 static void addLibFuzzerRuntime(const ToolChain &TC,
                                 const ArgList &Args,
                                 ArgStringList &CmdArgs) {
-    StringRef ParentDir = llvm::sys::path::parent_path(TC.getDriver().InstalledDir);
-    SmallString<128> P(ParentDir);
-    llvm::sys::path::append(P, "lib", "libLLVMFuzzer.a");
-    CmdArgs.push_back(Args.MakeArgString(P));
+  StringRef ParentDir =
+      llvm::sys::path::parent_path(TC.getDriver().InstalledDir);
+  SmallString<128> P(ParentDir);
+  llvm::sys::path::append(P, "lib", "libLLVMFuzzer.a");
+  CmdArgs.push_back(Args.MakeArgString(P));
+  if (!Args.hasArg(clang::driver::options::OPT_nostdlibxx))
     TC.AddCXXStdlibLibArgs(Args, CmdArgs);
 }
 
diff --git a/clang/lib/Driver/ToolChains/CrossWindows.cpp b/clang/lib/Driver/ToolChains/CrossWindows.cpp
index 7d0c438..ac00a3e 100644
--- a/clang/lib/Driver/ToolChains/CrossWindows.cpp
+++ b/clang/lib/Driver/ToolChains/CrossWindows.cpp
@@ -160,8 +160,7 @@
   TC.AddFilePathLibArgs(Args, CmdArgs);
   AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA);
 
-  if (D.CCCIsCXX() && !Args.hasArg(options::OPT_nostdlib) &&
-      !Args.hasArg(options::OPT_nodefaultlibs)) {
+  if (TC.ShouldLinkCXXStdlib(Args)) {
     bool StaticCXX = Args.hasArg(options::OPT_static_libstdcxx) &&
                      !Args.hasArg(options::OPT_static);
     if (StaticCXX)
diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp
index 2742870..bd8516c 100644
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/lib/Driver/ToolChains/Darwin.cpp
@@ -549,10 +549,9 @@
         Args.MakeArgString(Twine("-threads=") + llvm::to_string(Parallelism)));
   }
 
+  if (getToolChain().ShouldLinkCXXStdlib(Args))
+    getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
-    if (getToolChain().getDriver().CCCIsCXX())
-      getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
-
     // link_ssp spec is empty.
 
     // Let the tool chain choose which runtime library to link.
diff --git a/clang/lib/Driver/ToolChains/DragonFly.cpp b/clang/lib/Driver/ToolChains/DragonFly.cpp
index bd2c7fc..648469e 100644
--- a/clang/lib/Driver/ToolChains/DragonFly.cpp
+++ b/clang/lib/Driver/ToolChains/DragonFly.cpp
@@ -127,7 +127,8 @@
     }
 
     if (D.CCCIsCXX()) {
-      getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+      if (getToolChain().ShouldLinkCXXStdlib(Args))
+        getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
       CmdArgs.push_back("-lm");
     }
 
diff --git a/clang/lib/Driver/ToolChains/FreeBSD.cpp b/clang/lib/Driver/ToolChains/FreeBSD.cpp
index c6626e9..2f066cf 100644
--- a/clang/lib/Driver/ToolChains/FreeBSD.cpp
+++ b/clang/lib/Driver/ToolChains/FreeBSD.cpp
@@ -240,7 +240,8 @@
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
     addOpenMPRuntime(CmdArgs, ToolChain, Args);
     if (D.CCCIsCXX()) {
-      ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
+      if (ToolChain.ShouldLinkCXXStdlib(Args))
+        ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
       if (Args.hasArg(options::OPT_pg))
         CmdArgs.push_back("-lm_p");
       else
diff --git a/clang/lib/Driver/ToolChains/Fuchsia.cpp b/clang/lib/Driver/ToolChains/Fuchsia.cpp
index 78053aa..b87d9f0 100644
--- a/clang/lib/Driver/ToolChains/Fuchsia.cpp
+++ b/clang/lib/Driver/ToolChains/Fuchsia.cpp
@@ -107,13 +107,15 @@
       CmdArgs.push_back("-Bdynamic");
 
     if (D.CCCIsCXX()) {
-      bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
-                                 !Args.hasArg(options::OPT_static);
-      if (OnlyLibstdcxxStatic)
-        CmdArgs.push_back("-Bstatic");
-      ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
-      if (OnlyLibstdcxxStatic)
-        CmdArgs.push_back("-Bdynamic");
+      if (ToolChain.ShouldLinkCXXStdlib(Args)) {
+        bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
+                                   !Args.hasArg(options::OPT_static);
+        if (OnlyLibstdcxxStatic)
+          CmdArgs.push_back("-Bstatic");
+        ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
+        if (OnlyLibstdcxxStatic)
+          CmdArgs.push_back("-Bdynamic");
+      }
       CmdArgs.push_back("-lm");
     }
 
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index bc26ee1..6902c0a 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -560,13 +560,15 @@
 
   if (D.CCCIsCXX() &&
       !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
-    bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
-                               !Args.hasArg(options::OPT_static);
-    if (OnlyLibstdcxxStatic)
-      CmdArgs.push_back("-Bstatic");
-    ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
-    if (OnlyLibstdcxxStatic)
-      CmdArgs.push_back("-Bdynamic");
+    if (ToolChain.ShouldLinkCXXStdlib(Args)) {
+      bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
+                                 !Args.hasArg(options::OPT_static);
+      if (OnlyLibstdcxxStatic)
+        CmdArgs.push_back("-Bstatic");
+      ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
+      if (OnlyLibstdcxxStatic)
+        CmdArgs.push_back("-Bdynamic");
+    }
     CmdArgs.push_back("-lm");
   }
   // Silence warnings when linking C code with a C++ '-stdlib' argument.
diff --git a/clang/lib/Driver/ToolChains/Hexagon.cpp b/clang/lib/Driver/ToolChains/Hexagon.cpp
index 9bf1590..4f62b1f 100644
--- a/clang/lib/Driver/ToolChains/Hexagon.cpp
+++ b/clang/lib/Driver/ToolChains/Hexagon.cpp
@@ -248,7 +248,8 @@
   //----------------------------------------------------------------------------
   if (IncStdLib && IncDefLibs) {
     if (D.CCCIsCXX()) {
-      HTC.AddCXXStdlibLibArgs(Args, CmdArgs);
+      if (HTC.ShouldLinkCXXStdlib(Args))
+        HTC.AddCXXStdlibLibArgs(Args, CmdArgs);
       CmdArgs.push_back("-lm");
     }
 
diff --git a/clang/lib/Driver/ToolChains/MinGW.cpp b/clang/lib/Driver/ToolChains/MinGW.cpp
index 7550bab..1c5eeb3 100644
--- a/clang/lib/Driver/ToolChains/MinGW.cpp
+++ b/clang/lib/Driver/ToolChains/MinGW.cpp
@@ -185,8 +185,7 @@
 
   // TODO: Add profile stuff here
 
-  if (D.CCCIsCXX() &&
-      !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
+  if (TC.ShouldLinkCXXStdlib(Args)) {
     bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
                                !Args.hasArg(options::OPT_static);
     if (OnlyLibstdcxxStatic)
diff --git a/clang/lib/Driver/ToolChains/Minix.cpp b/clang/lib/Driver/ToolChains/Minix.cpp
index 2e8939c..39e6f90 100644
--- a/clang/lib/Driver/ToolChains/Minix.cpp
+++ b/clang/lib/Driver/ToolChains/Minix.cpp
@@ -72,7 +72,8 @@
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
     if (D.CCCIsCXX()) {
-      getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+      if (getToolChain().ShouldLinkCXXStdlib(Args))
+        getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
       CmdArgs.push_back("-lm");
     }
   }
diff --git a/clang/lib/Driver/ToolChains/NaCl.cpp b/clang/lib/Driver/ToolChains/NaCl.cpp
index 5eb5c74..128478d6 100644
--- a/clang/lib/Driver/ToolChains/NaCl.cpp
+++ b/clang/lib/Driver/ToolChains/NaCl.cpp
@@ -133,13 +133,15 @@
 
   if (D.CCCIsCXX() &&
       !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
-    bool OnlyLibstdcxxStatic =
-        Args.hasArg(options::OPT_static_libstdcxx) && !IsStatic;
-    if (OnlyLibstdcxxStatic)
-      CmdArgs.push_back("-Bstatic");
-    ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
-    if (OnlyLibstdcxxStatic)
-      CmdArgs.push_back("-Bdynamic");
+    if (ToolChain.ShouldLinkCXXStdlib(Args)) {
+      bool OnlyLibstdcxxStatic =
+          Args.hasArg(options::OPT_static_libstdcxx) && !IsStatic;
+      if (OnlyLibstdcxxStatic)
+        CmdArgs.push_back("-Bstatic");
+      ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
+      if (OnlyLibstdcxxStatic)
+        CmdArgs.push_back("-Bdynamic");
+    }
     CmdArgs.push_back("-lm");
   }
 
diff --git a/clang/lib/Driver/ToolChains/NetBSD.cpp b/clang/lib/Driver/ToolChains/NetBSD.cpp
index e89ee37..acc5627 100644
--- a/clang/lib/Driver/ToolChains/NetBSD.cpp
+++ b/clang/lib/Driver/ToolChains/NetBSD.cpp
@@ -278,7 +278,8 @@
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
     addOpenMPRuntime(CmdArgs, getToolChain(), Args);
     if (D.CCCIsCXX()) {
-      getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+      if (getToolChain().ShouldLinkCXXStdlib(Args))
+        getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
       CmdArgs.push_back("-lm");
     }
     if (NeedsSanitizerDeps)
diff --git a/clang/lib/Driver/ToolChains/OpenBSD.cpp b/clang/lib/Driver/ToolChains/OpenBSD.cpp
index c5f266e..7b77784d 100644
--- a/clang/lib/Driver/ToolChains/OpenBSD.cpp
+++ b/clang/lib/Driver/ToolChains/OpenBSD.cpp
@@ -177,7 +177,8 @@
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
     if (D.CCCIsCXX()) {
-      getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+      if (getToolChain().ShouldLinkCXXStdlib(Args))
+        getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
       if (Args.hasArg(options::OPT_pg))
         CmdArgs.push_back("-lm_p");
       else
diff --git a/clang/lib/Driver/ToolChains/PS4CPU.cpp b/clang/lib/Driver/ToolChains/PS4CPU.cpp
index c1b8c3d6..b37fe7d 100644
--- a/clang/lib/Driver/ToolChains/PS4CPU.cpp
+++ b/clang/lib/Driver/ToolChains/PS4CPU.cpp
@@ -227,7 +227,8 @@
     // libraries for both C and C++ compilations.
     CmdArgs.push_back("-lkernel");
     if (D.CCCIsCXX()) {
-      ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
+      if (ToolChain.ShouldLinkCXXStdlib(Args))
+        ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
       if (Args.hasArg(options::OPT_pg))
         CmdArgs.push_back("-lm_p");
       else
diff --git a/clang/lib/Driver/ToolChains/Solaris.cpp b/clang/lib/Driver/ToolChains/Solaris.cpp
index de98d11..9fe6e9d 100644
--- a/clang/lib/Driver/ToolChains/Solaris.cpp
+++ b/clang/lib/Driver/ToolChains/Solaris.cpp
@@ -100,7 +100,7 @@
   AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
-    if (getToolChain().getDriver().CCCIsCXX())
+    if (getToolChain().ShouldLinkCXXStdlib(Args))
       getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
     CmdArgs.push_back("-lgcc_s");
     CmdArgs.push_back("-lc");
diff --git a/clang/lib/Driver/ToolChains/WebAssembly.cpp b/clang/lib/Driver/ToolChains/WebAssembly.cpp
index 058bc42..88a3f1b 100644
--- a/clang/lib/Driver/ToolChains/WebAssembly.cpp
+++ b/clang/lib/Driver/ToolChains/WebAssembly.cpp
@@ -38,7 +38,6 @@
                                 const char *LinkingOutput) const {
 
   const ToolChain &ToolChain = getToolChain();
-  const Driver &D = ToolChain.getDriver();
   const char *Linker = Args.MakeArgString(ToolChain.GetLinkerPath());
   ArgStringList CmdArgs;
   CmdArgs.push_back("-flavor");
@@ -77,7 +76,7 @@
   AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
-    if (D.CCCIsCXX())
+    if (ToolChain.ShouldLinkCXXStdlib(Args))
       ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
 
     if (Args.hasArg(options::OPT_pthread))