PR c/34457:
* c-common.c (c_type_hash): Handle VLAs.
gcc/testsuite
PR c/34457:
* gcc.dg/pr34457-2.c: New file.
* gcc.dg/pr34457-1.c: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131311
138bc75d-0d04-0410-961f-
82ee72b054a4
+2008-01-03 Tom Tromey <tromey@redhat.com>
+
+ PR c/34457:
+ * c-common.c (c_type_hash): Handle VLAs.
+
2008-01-03 Jan Hubicka <jh@suse.cz>
PR tree-optimization/31081
/* Subroutines shared by all languages that are variants of C.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GCC.
}
for (; t2; t2 = TREE_CHAIN (t2))
i++;
- size = TREE_INT_CST_LOW (TYPE_SIZE (t));
+ /* We might have a VLA here. */
+ if (TREE_CODE (TYPE_SIZE (t)) != INTEGER_CST)
+ size = 0;
+ else
+ size = TREE_INT_CST_LOW (TYPE_SIZE (t));
return ((size << 24) | (i << shift));
}
+2008-01-03 Tom Tromey <tromey@redhat.com>
+
+ PR c/34457:
+ * gcc.dg/pr34457-2.c: New file.
+ * gcc.dg/pr34457-1.c: New file.
+
2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
Revert fix for PR tree-optimization/34458.
--- /dev/null
+/* PR c/34457 */
+/* { dg-do compile } */
+/* { dg-options "--combine -O2" } */
+/* { dg-additional-sources "pr34457-2.c" } */
+
+
+typedef __SIZE_TYPE__ size_t;
+extern int printf (const char *, ...);
+extern void *memset (void *, int, size_t);
+
+int bar (int (*)(), int, void *);
+
+int
+main(int argc, char **argv)
+{
+ struct s { int a; char b[argc]; };
+ int nested (struct s x) { return x.a + sizeof(x); }
+ struct s t;
+ memset (&t, 0, sizeof(t));
+ t.a = 123;
+ printf("%d\n", bar (nested, argc, &t));
+ return 0;
+}
--- /dev/null
+/* Additional file for PR c/34457. */
+
+int x;