Index: lib/Driver/ToolChains/Clang.cpp
===================================================================
--- lib/Driver/ToolChains/Clang.cpp
+++ lib/Driver/ToolChains/Clang.cpp
@@ -2728,7 +2728,8 @@
     DwarfVersion = getToolChain().GetDefaultDwarfVersion();
   }
 
-  // We ignore flags -gstrict-dwarf and -grecord-gcc-switches for now.
+  // We ignore flag -gstrict-dwarf for now.
+  // And we handle flag -grecord-gcc-switches later with DwarfDebugFlags.
   Args.ClaimAllArgs(options::OPT_g_flags_Group);
 
   // Column info is included by default for everything except PS4 and CodeView.
@@ -4321,7 +4322,10 @@
 
   // Optionally embed the -cc1 level arguments into the debug info, for build
   // analysis.
-  if (getToolChain().UseDwarfDebugFlags()) {
+  // Also record command line arguments into the debug info if
+  // -grecord-gcc-switches options is set on.
+  if (getToolChain().UseDwarfDebugFlags() ||
+      Args.hasArg(options::OPT_grecord_gcc_switches)) {
     ArgStringList OriginalArgs;
     for (const auto &Arg : Args)
       Arg->render(Args, OriginalArgs);
Index: test/CodeGen/debug-info-grecord-gcc-switches.c
===================================================================
--- /dev/null
+++ test/CodeGen/debug-info-grecord-gcc-switches.c
@@ -0,0 +1,6 @@
+// RUN: %clang -g -grecord-gcc-switches -S -emit-llvm -o - %s | FileCheck %s
+int main (void) {
+  return 0;
+}
+
+// CHECK: -g -grecord-gcc-switches -S -emit-llvm