From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 21 Aug 2003 05:24:02 +0000 (+0000)
Subject:         PR c++/11614
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=30bedc1fe9c0c0c83a90602d78b1ebbcdf14ba9d;p=thirdparty%2Fgcc.git

    PR c++/11614
        * decl.c (grokdeclarator): Recognize a flexible array based on the
        type, not the form of the declarator.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@70636 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 59a81c13d8c1..fc6ae49f5aca 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2003-08-21  Jason Merrill  <jason@redhat.com>
+
+	PR c++/11614
+	* decl.c (grokdeclarator): Recognize a flexible array based on the
+	type, not the form of the declarator.
+
 2003-08-20  Jason Merrill  <jason@redhat.com>
 
 	* semantics.c (simplify_aggr_init_expr): Split out from
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 1a4dcb2537f4..e35fa07ab691 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -10593,21 +10593,9 @@ grokdeclarator (tree declarator,
 
 	case ARRAY_REF:
 	  {
-	    register tree size;
-
-	    size = TREE_OPERAND (declarator, 1);
+	    tree size = TREE_OPERAND (declarator, 1);
 	    declarator = TREE_OPERAND (declarator, 0);
 
-	    /* C99 spells a flexible array member [].  */
-	    if (size == NULL_TREE && decl_context == FIELD && !	staticp
-		&& ! RIDBIT_SETP (RID_TYPEDEF, specbits)
-		&& !(declarator &&
-		    (TREE_CODE (declarator) == CALL_EXPR
-		      || TREE_CODE (declarator) == INDIRECT_REF
-		      || TREE_CODE (declarator) == ADDR_EXPR
-		      || TREE_CODE (declarator) == ARRAY_REF)))
-	      size = integer_zero_node;
-
 	    type = create_array_type_for_decl (dname, type, size);
 
 	    ctype = NULL_TREE;
@@ -11355,6 +11343,14 @@ grokdeclarator (tree declarator,
       }
     else if (decl_context == FIELD)
       {
+	/* The C99 flexible array extension.  */
+	if (!staticp && TREE_CODE (type) == ARRAY_TYPE
+	    && TYPE_DOMAIN (type) == NULL_TREE)
+	  {
+	    tree itype = compute_array_index_type (dname, integer_zero_node);
+	    type = build_cplus_array_type (TREE_TYPE (type), itype);
+	  }
+
 	if (type == error_mark_node)
 	  {
 	    /* Happens when declaring arrays of sizes which