Make a bunch of static arrays const.

llvm-svn: 250647
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 6708f4b..b1d2cd2 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -9093,7 +9093,7 @@
     CmdArgs.push_back(Args.MakeArgString("-debug"));
     CmdArgs.push_back(Args.MakeArgString("-incremental:no"));
     if (Args.hasArg(options::OPT__SLASH_MD, options::OPT__SLASH_MDd)) {
-      static const char *CompilerRTComponents[] = {
+      static const char *const CompilerRTComponents[] = {
           "asan_dynamic", "asan_dynamic_runtime_thunk",
       };
       for (const auto &Component : CompilerRTComponents)
@@ -9104,7 +9104,7 @@
     } else if (DLL) {
       CmdArgs.push_back(getCompilerRTArgString(TC, Args, "asan_dll_thunk"));
     } else {
-      static const char *CompilerRTComponents[] = {
+      static const char *const CompilerRTComponents[] = {
           "asan", "asan_cxx",
       };
       for (const auto &Component : CompilerRTComponents)