Merge pull request #84296 from rjmansfield/emit-verbose-asm

Add frontend option -verbose-asm to emit verbose assembly.

lib/Frontend/CompilerInvocation.cpp

@@ -3523,6 +3523,9 @@ static bool ParseIRGenArgs(IRGenOptions &Opts, ArgList &Args,
 
   Opts.FunctionSections = Args.hasArg(OPT_function_sections);
 
+  Opts.VerboseAsm = Args.hasFlag(OPT_verbose_asm, OPT_no_verbose_asm,
+                                 /*default*/ true);
+
   if (Args.hasArg(OPT_autolink_force_load))
     Opts.ForceLoadSymbolName = Args.getLastArgValue(OPT_module_link_name).str();