[LLD][COFF] Add support for -includeglob on ARM64X (#129515)

Include symbols from both symbol tables.

Author: cjacek

lld/COFF/Driver.cpp

@@ -2568,7 +2568,8 @@ void LinkerDriver::linkerMain(ArrayRef<const char *> argsArr) {
 
   // Handle /includeglob
   for (StringRef pat : args::getStrings(args, OPT_incl_glob))
-    ctx.symtab.addUndefinedGlob(pat);
+    ctx.forEachSymtab(
+        [&](SymbolTable &symtab) { symtab.addUndefinedGlob(pat); });
 
   // Create wrapped symbols for -wrap option.
   ctx.forEachSymtab([&](SymbolTable &symtab) {

lld/test/COFF/arm64x-includeoptional.s

@@ -11,6 +11,9 @@
 // RUN: llvm-readobj --hex-dump=.test %t.dll | FileCheck %s
 // CHECK: 0x180004000 01000000 01000000
 
+// RUN: lld-link -machine:arm64x -dll -noentry -out:%t-glob.dll %t-test.lib -includeglob:sym
+// RUN: llvm-readobj --hex-dump=.test %t-glob.dll | FileCheck %s
+
         .globl sym
         .section .test,"dr"
 sym: