From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 4 Feb 2016 22:15:33 +0000 (+0100)
Subject: re PR fortran/69368 (spec2006 test case 416.gamess fails with the g++ 6.0 compiler... 
X-Git-Tag: basepoints/gcc-7~1104
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25f738f21021b3af025800f4481d402570d603ef;p=thirdparty%2Fgcc.git

re PR fortran/69368 (spec2006 test case 416.gamess fails with the g++ 6.0 compiler starting with r232508)

	PR fortran/69368
	* tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.

From-SVN: r233153
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 647ccb7afa1d..edfdf559d4ea 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-02-04  Jakub Jelinek  <jakub@redhat.com>
+
+	PR fortran/69368
+	* tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
+
 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR rtl-optimization/69577
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c
index db560cf73602..0e9805663b2f 100644
--- a/gcc/tree-dfa.c
+++ b/gcc/tree-dfa.c
@@ -588,15 +588,6 @@ get_ref_base_and_extent (tree exp, HOST_WIDE_INT *poffset,
       exp = TREE_OPERAND (exp, 0);
     }
 
-  /* We need to deal with variable arrays ending structures.  */
-  if (seen_variable_array_ref
-      && maxsize != -1
-      && (TYPE_SIZE (TREE_TYPE (exp)) == NULL_TREE
-	  || TREE_CODE (TYPE_SIZE (TREE_TYPE (exp))) != INTEGER_CST
-	  || (bit_offset + maxsize
-	      == wi::to_offset (TYPE_SIZE (TREE_TYPE (exp))))))
-    maxsize = -1;
-
  done:
   if (!wi::fits_shwi_p (bitsize) || wi::neg_p (bitsize))
     {