From: Richard Kenner <kenner@gcc.gnu.org>
Date: Sun, 24 Dec 1995 23:15:12 +0000 (-0500)
Subject: (mark_addressable, case COMPONENT_REF): Give error if taking address
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1598f4da785010db4282a0f502eb2bfc5a9839e1;p=gcc.git

(mark_addressable, case COMPONENT_REF): Give error if taking address
of a bit field.

From-SVN: r10858
---

diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index d76e724861c..d8e4ff1e316 100644
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -3292,8 +3292,15 @@ mark_addressable (exp)
   while (1)
     switch (TREE_CODE (x))
       {
-      case ADDR_EXPR:
       case COMPONENT_REF:
+	if (DECL_C_BIT_FIELD (TREE_OPERAND (x, 1)))
+	  error ("cannot take address of bitfield `%s'",
+		 IDENTIFIER_POINTER (DECL_NAME (TREE_OPERAND (x, 1))));
+	return 0;
+
+	/* ... fall through ... */
+
+      case ADDR_EXPR:
       case ARRAY_REF:
       case REALPART_EXPR:
       case IMAGPART_EXPR: