Index: clang/lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -777,9 +777,9 @@
 
   if (TC.getXRayArgs().needsXRayRt()) {
     CmdArgs.push_back("-whole-archive");
-    CmdArgs.push_back(TC.getCompilerRTArgString(Args, "xray", false));
+    CmdArgs.push_back(TC.getCompilerRTArgString(Args, "xray"));
     for (const auto &Mode : TC.getXRayArgs().modeList())
-      CmdArgs.push_back(TC.getCompilerRTArgString(Args, Mode, false));
+      CmdArgs.push_back(TC.getCompilerRTArgString(Args, Mode));
     CmdArgs.push_back("-no-whole-archive");
     return true;
   }
Index: clang/lib/Driver/ToolChains/MSVC.cpp
===================================================================
--- clang/lib/Driver/ToolChains/MSVC.cpp
+++ clang/lib/Driver/ToolChains/MSVC.cpp
@@ -378,7 +378,7 @@
     if (!Args.hasArg(options::OPT_shared))
       CmdArgs.push_back(
           Args.MakeArgString(std::string("-wholearchive:") +
-                             TC.getCompilerRTArgString(Args, "fuzzer", false)));
+                             TC.getCompilerRTArgString(Args, "fuzzer")));
     CmdArgs.push_back(Args.MakeArgString("-debug"));
     // Prevent the linker from padding sections we use for instrumentation
     // arrays.
Index: clang/lib/Driver/ToolChains/OpenBSD.cpp
===================================================================
--- clang/lib/Driver/ToolChains/OpenBSD.cpp
+++ clang/lib/Driver/ToolChains/OpenBSD.cpp
@@ -189,11 +189,11 @@
         CmdArgs.push_back("-lm");
     }
     if (NeedsSanitizerDeps) {
-      CmdArgs.push_back(ToolChain.getCompilerRTArgString(Args, "builtins", false));
+      CmdArgs.push_back(ToolChain.getCompilerRTArgString(Args, "builtins"));
       linkSanitizerRuntimeDeps(ToolChain, CmdArgs);
     }
     if (NeedsXRayDeps) {
-      CmdArgs.push_back(ToolChain.getCompilerRTArgString(Args, "builtins", false));
+      CmdArgs.push_back(ToolChain.getCompilerRTArgString(Args, "builtins"));
       linkXRayRuntimeDeps(ToolChain, CmdArgs);
     }
     // FIXME: For some reason GCC passes -lgcc before adding
Index: clang/lib/Driver/ToolChains/Solaris.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Solaris.cpp
+++ clang/lib/Driver/ToolChains/Solaris.cpp
@@ -101,7 +101,7 @@
   // __start_SECNAME labels.
   CmdArgs.push_back("--whole-archive");
   CmdArgs.push_back(
-      getToolChain().getCompilerRTArgString(Args, "sancov_begin", false));
+      getToolChain().getCompilerRTArgString(Args, "sancov_begin"));
   CmdArgs.push_back("--no-whole-archive");
 
   getToolChain().AddFilePathLibArgs(Args, CmdArgs);
@@ -136,7 +136,7 @@
   // __stop_SECNAME labels.
   CmdArgs.push_back("--whole-archive");
   CmdArgs.push_back(
-      getToolChain().getCompilerRTArgString(Args, "sancov_end", false));
+      getToolChain().getCompilerRTArgString(Args, "sancov_end"));
   CmdArgs.push_back("--no-whole-archive");
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {