Remove CG(filenames_table)

This doesn't seem to serve any purpose anymore.

Author: nikic

Zend/zend_compile.c

@@ -412,7 +412,6 @@ void init_compiler(void) /* {{{ */
 	memset(&CG(context), 0, sizeof(CG(context)));
 	zend_init_compiler_data_structures();
 	zend_init_rsrc_list();
-	zend_hash_init(&CG(filenames_table), 8, NULL, ZVAL_PTR_DTOR, 0);
 	zend_llist_init(&CG(open_files), sizeof(zend_file_handle), (void (*)(void *)) file_handle_dtor, 0);
 	CG(unclean_shutdown) = 0;
 
@@ -426,7 +425,6 @@ void shutdown_compiler(void) /* {{{ */
 	zend_stack_destroy(&CG(loop_var_stack));
 	zend_stack_destroy(&CG(delayed_oplines_stack));
 	zend_stack_destroy(&CG(short_circuiting_opnums));
-	zend_hash_destroy(&CG(filenames_table));
 	zend_arena_destroy(CG(arena));
 
 	if (CG(delayed_variance_obligations)) {
@@ -444,18 +442,7 @@ void shutdown_compiler(void) /* {{{ */
 
 ZEND_API zend_string *zend_set_compiled_filename(zend_string *new_compiled_filename) /* {{{ */
 {
-	zval *p, rv;
-
-	if ((p = zend_hash_find(&CG(filenames_table), new_compiled_filename))) {
-		ZEND_ASSERT(Z_TYPE_P(p) == IS_STRING);
-		CG(compiled_filename) = Z_STR_P(p);
-		return Z_STR_P(p);
-	}
-
 	new_compiled_filename = zend_new_interned_string(zend_string_copy(new_compiled_filename));
-	ZVAL_STR(&rv, new_compiled_filename);
-	zend_hash_add_new(&CG(filenames_table), new_compiled_filename, &rv);
-
 	CG(compiled_filename) = new_compiled_filename;
 	return new_compiled_filename;
 }

Zend/zend_globals.h

@@ -77,8 +77,6 @@ struct _zend_compiler_globals {
 	HashTable *function_table;	/* function symbol table */
 	HashTable *class_table;		/* class table */
 
-	HashTable filenames_table;
-
 	HashTable *auto_globals;
 
 	/* Refer to zend_yytnamerr() in zend_language_parser.y for meaning of values */