[coroutines] Rename driver flag -fcoroutines to -fcoroutines-ts

Summary:
Also makes -fcoroutines_ts to be both a Driver and CC1 flag.

Patch mostly by EricWF.

Reviewers: rnk, cfe-commits, rsmith, EricWF

Subscribers: mehdi_amini

Differential Revision: https://reviews.llvm.org/D25130

llvm-svn: 283064
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 3406c32..0dd05b5 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1916,7 +1916,7 @@
   Opts.Blocks = Args.hasArg(OPT_fblocks) || (Opts.OpenCL
     && Opts.OpenCLVersion >= 200);
   Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional);
-  Opts.Coroutines = Args.hasArg(OPT_fcoroutines);
+  Opts.CoroutinesTS = Args.hasArg(OPT_fcoroutines_ts);
   Opts.ModulesTS = Args.hasArg(OPT_fmodules_ts);
   Opts.Modules = Args.hasArg(OPT_fmodules) || Opts.ModulesTS;
   Opts.ModulesStrictDeclUse = Args.hasArg(OPT_fmodules_strict_decluse);
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index d7dccb1..1c3374f 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -526,7 +526,7 @@
   // TS features.
   if (LangOpts.ConceptsTS)
     Builder.defineMacro("__cpp_experimental_concepts", "1");
-  if (LangOpts.Coroutines)
+  if (LangOpts.CoroutinesTS)
     Builder.defineMacro("__cpp_coroutines", "1");
 }