[modules] Rename -fmodule-maps to -fimplicit-module-maps (and likewise for
-fno-module-maps). The old names are preserved for compatibility.

llvm-svn: 239792
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 99352a4..a3a9d0b 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -4151,8 +4151,8 @@
 
   // -fmodule-maps enables implicit reading of module map files. By default,
   // this is enabled if we are using precompiled modules.
-  if (Args.hasFlag(options::OPT_fmodule_maps, options::OPT_fno_module_maps,
-                   HaveModules)) {
+  if (Args.hasFlag(options::OPT_fimplicit_module_maps,
+                   options::OPT_fno_implicit_module_maps, HaveModules)) {
     CmdArgs.push_back("-fimplicit-module-maps");
   }