Index: lib/Driver/ToolChains/MinGW.cpp
===================================================================
--- lib/Driver/ToolChains/MinGW.cpp
+++ lib/Driver/ToolChains/MinGW.cpp
@@ -104,14 +104,6 @@
   // handled somewhere else.
   Args.ClaimAllArgs(options::OPT_w);
 
-  StringRef LinkerName = Args.getLastArgValue(options::OPT_fuse_ld_EQ, "ld");
-  if (LinkerName.equals_lower("lld")) {
-    CmdArgs.push_back("-flavor");
-    CmdArgs.push_back("gnu");
-  } else if (!LinkerName.equals_lower("ld")) {
-    D.Diag(diag::err_drv_unsupported_linker) << LinkerName;
-  }
-
   if (!D.SysRoot.empty())
     CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
 
@@ -241,7 +233,7 @@
 
       if (Args.hasArg(options::OPT_static))
         CmdArgs.push_back("--end-group");
-      else if (!LinkerName.equals_lower("lld"))
+      else
         AddLibGCC(Args, CmdArgs);
     }
 
@@ -252,7 +244,7 @@
       CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtend.o")));
     }
   }
-  const char *Exec = Args.MakeArgString(TC.GetProgramPath(LinkerName.data()));
+  const char *Exec = Args.MakeArgString(TC.GetLinkerPath());
   C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
 }
 
Index: test/Driver/mingw-useld.c
===================================================================
--- test/Driver/mingw-useld.c
+++ test/Driver/mingw-useld.c
@@ -1,19 +1,19 @@
-// RUN: %clang -### -target i686-pc-windows-gnu --sysroot=%S/Inputs/mingw_clang_tree/mingw32 %s 2>&1 | FileCheck -check-prefix=CHECK_LD_32 %s
-// CHECK_LD_32: ld{{(.exe)?}}"
+// RUN: %clang -### -target i686-pc-windows-gnu --sysroot=%S/Inputs/mingw_clang_tree/mingw32 %s -fuse-ld=platform 2>&1 | FileCheck -check-prefix=CHECK_LD_32 %s
+// CHECK_LD_32: "{{[^"]*}}ld{{(.exe)?}}"
 // CHECK_LD_32: "i386pe"
-// CHECK_LD_32-NOT: "-flavor" "gnu"
+// CHECK_LD_32-NOT: "{{[^"]*}}ld.lld{{(.exe)?}}"
 
 // RUN: %clang -### -target i686-pc-windows-gnu --sysroot=%S/Inputs/mingw_clang_tree/mingw32 %s -fuse-ld=lld 2>&1 | FileCheck -check-prefix=CHECK_LLD_32 %s
 // CHECK_LLD_32-NOT: invalid linker name in argument
-// CHECK_LLD_32: lld{{(.exe)?}}" "-flavor" "gnu"
+// CHECK_LLD_32: "{{[^"]*}}ld.lld{{(.exe)?}}"
 // CHECK_LLD_32: "i386pe"
 
 // RUN: %clang -### -target x86_64-pc-windows-gnu --sysroot=%S/Inputs/mingw_clang_tree/mingw32 %s -fuse-ld=lld 2>&1 | FileCheck -check-prefix=CHECK_LLD_64 %s
 // CHECK_LLD_64-NOT: invalid linker name in argument
-// CHECK_LLD_64: lld{{(.exe)?}}" "-flavor" "gnu"
+// CHECK_LLD_64: "{{[^"]*}}ld.lld{{(.exe)?}}"
 // CHECK_LLD_64: "i386pep"
 
 // RUN: %clang -### -target arm-pc-windows-gnu --sysroot=%S/Inputs/mingw_clang_tree/mingw32 %s -fuse-ld=lld 2>&1 | FileCheck -check-prefix=CHECK_LLD_ARM %s
 // CHECK_LLD_ARM-NOT: invalid linker name in argument
-// CHECK_LLD_ARM: lld{{(.exe)?}}" "-flavor" "gnu"
+// CHECK_LLD_ARM: "{{[^"]*}}ld.lld{{(.exe)?}}"
 // CHECK_LLD_ARM: "thumb2pe"