[clang-cl] Parse the /dynamicdeopt option

which was mentioned in
https://devblogs.microsoft.com/cppblog/cpp-dynamic-debugging-full-debuggability-for-optimized-builds/

(That post also mentions /d2DDTrimInlines, which we already parse via
a /d2 catch-all.)

Author: zmodem

clang/include/clang/Driver/Options.td

@@ -9079,6 +9079,7 @@ def _SLASH_clr : CLJoined<"clr">;
 def _SLASH_d1 : CLJoined<"d1">;
 def _SLASH_d2 : CLJoined<"d2">;
 def _SLASH_doc : CLJoined<"doc">;
+def _SLASH_dynamicdeopt : CLJoined<"dynamicdeopt">;
 def _SLASH_experimental : CLJoined<"experimental:">;
 def _SLASH_exportHeader : CLFlag<"exportHeader">;
 def _SLASH_external : CLJoined<"external:">;

clang/test/Driver/cl-options.c

@@ -437,7 +437,9 @@
 // RUN:     /d1import_no_registry \
 // RUN:     /d1nodatetime \
 // RUN:     /d2FH4 \
+// RUN:     /d2TrimInlines \
 // RUN:     /docname \
+// RUN:     /dynamicdeopt \
 // RUN:     /experimental:external \
 // RUN:     /experimental:module \
 // RUN:     /experimental:preprocessor \