From: Richard Kenner <kenner@gcc.gnu.org>
Date: Thu, 7 Nov 1996 12:39:55 +0000 (-0500)
Subject: (layout_record): Treat constant size as variable if it overflows.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1d58084ae01fd2f03fb2126ae5fcfaa3865fa701;p=gcc.git

(layout_record): Treat constant size as variable if it overflows.

From-SVN: r13105
---

diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c
index 61768f84263..b0b64d2d0cd 100644
--- a/gcc/stor-layout.c
+++ b/gcc/stor-layout.c
@@ -507,6 +507,7 @@ layout_record (rec)
 	if (dsize == 0)
 	  /* Do nothing.  */;
 	else if (TREE_CODE (dsize) == INTEGER_CST
+		 && ! TREE_CONSTANT_OVERFLOW (dsize)
 		 && TREE_INT_CST_HIGH (dsize) == 0
 		 && TREE_INT_CST_LOW (dsize) + const_size >= const_size)
 	  /* Use const_size if there's no overflow.  */