dbghelp: Return the stored name for a compiland.

dlls/dbghelp/dbghelp_private.h

@@ -170,6 +170,7 @@ struct symt_module /* in fact any of .exe, .dll... */
 struct symt_compiland
 {
     struct symt                 symt;
+    struct symt_module*         container;      /* symt_module */
     ULONG_PTR                   address;
     unsigned                    source;
     struct vector               vchildren;      /* global variables & functions */

dlls/dbghelp/symbol.c

@@ -206,6 +206,7 @@ struct symt_compiland* symt_new_compiland(struct module* module,
     if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
     {
         sym->symt.tag  = SymTagCompiland;
+        sym->container = module->top;
         sym->address   = address;
         sym->source    = src_idx;
         vector_init(&sym->vchildren, sizeof(struct symt*), 32);

dlls/dbghelp/type.c

@@ -91,6 +91,8 @@ const char* symt_get_name(const struct symt* sym)
     case SymTagEnum:            return ((const struct symt_enum*)sym)->name;
     case SymTagTypedef:         return ((const struct symt_typedef*)sym)->hash_elt.name;
     case SymTagUDT:             return ((const struct symt_udt*)sym)->hash_elt.name;
+    case SymTagCompiland:       return source_get(((const struct symt_compiland*)sym)->container->module,
+                                                  ((const struct symt_compiland*)sym)->source);
     default:
         FIXME("Unsupported sym-tag %s\n", symt_get_tag_str(sym->tag));
         /* fall through */