diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0cd01eeb05a..210135528ec 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2008-11-03 Eric Botcazou + + * tree-sra.c (bitfield_overlaps_p): Fix oversight. + 2008-11-03 Rainer Orth PR other/37463 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 06893ecd5b9..626145ef634 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2008-11-03 Eric Botcazou + + * gnat.dg/array5.adb New test. + 2008-11-03 Richard Guenther Jakub Jelinek diff --git a/gcc/testsuite/gnat.dg/array5.adb b/gcc/testsuite/gnat.dg/array5.adb new file mode 100644 index 00000000000..72a5df821e6 --- /dev/null +++ b/gcc/testsuite/gnat.dg/array5.adb @@ -0,0 +1,34 @@ +-- { dg-do run } +-- { dg-options "-O" } + +procedure Array5 is + + type myint is range 0 .. 100_000; + Bla : constant myint := 359; + + type my_array is array (1 .. 2) of myint; + + type item is record + Length : Integer; + Content : my_array; + end record; + + procedure create_item (M : out item) is + begin + M.Length := 1; + M.Content := (others => Bla); + end; + + Var : item; + +begin + create_item (Var); + + if Var.Length = 1 + and then Var.Content (1) = Bla + then + null; + else + raise Program_Error; + end if; +end; diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c index 3689b69f757..60330b14bc5 100644 --- a/gcc/tree-sra.c +++ b/gcc/tree-sra.c @@ -2961,8 +2961,13 @@ bitfield_overlaps_p (tree blen, tree bpos, struct sra_elt *fld, } else if (TREE_CODE (fld->element) == INTEGER_CST) { + tree domain_type = TYPE_DOMAIN (TREE_TYPE (fld->parent->element)); flen = fold_convert (bitsizetype, TYPE_SIZE (fld->type)); fpos = fold_convert (bitsizetype, fld->element); + if (domain_type && TYPE_MIN_VALUE (domain_type)) + fpos = size_binop (MINUS_EXPR, fpos, + fold_convert (bitsizetype, + TYPE_MIN_VALUE (domain_type))); fpos = size_binop (MULT_EXPR, flen, fpos); } else