+2009-10-20 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-sra.c (build_ref_for_offset_1) <RECORD_TYPE>: Skip fields
+ without size or with size that can't be represented as a host integer.
+
2009-10-20 Alexandre Oliva <aoliva@redhat.com>
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't regard
+2009-10-20 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gnat.dg/discr21.ad[sb]: New test.
+ * gnat.dg/discr21_pkg.ads: New helper.
+
2009-10-20 Paul Thomas <pault@gcc.gnu.org>
PR fortran/41706
--- /dev/null
+-- { dg-do compile }
+-- { dg-options "-gnatws -O3" }
+
+with Discr21_Pkg; use Discr21_Pkg;
+
+package body Discr21 is
+
+ type Index is new Natural range 0 .. 100;
+
+ type Arr is array (Index range <> ) of Position;
+
+ type Rec(Size : Index := 1) is record
+ A : Arr(1 .. Size);
+ end record;
+
+ Data : Rec;
+
+ function To_V(pos : Position) return VPosition is
+ begin
+ return To_Position(pos.x, pos.y, pos.z);
+ end;
+
+ procedure Read(Data : Rec) is
+ pos : VPosition := To_V (Data.A(1));
+ begin
+ null;
+ end;
+
+ procedure Test is
+ begin
+ Read (Data);
+ end;
+
+end Discr21;
--- /dev/null
+package Discr21 is
+
+ procedure Test;
+
+end Discr21;
--- /dev/null
+package Discr21_Pkg is
+
+ type Position is record
+ x,y,z : Float;
+ end record;
+
+ type Dim is (Two, Three);
+
+ type VPosition (D: Dim := Three) is record
+ x, y : Float;
+ case D is
+ when Two => null;
+ when Three => z : Float;
+ end case;
+ end record;
+
+ function To_Position (x, y, z : Float) return VPosition;
+
+end Discr21_Pkg;
pos = int_bit_position (fld);
gcc_assert (TREE_CODE (type) == RECORD_TYPE || pos == 0);
- size = tree_low_cst (DECL_SIZE (fld), 1);
+ tr_size = DECL_SIZE (fld);
+ if (!tr_size || !host_integerp (tr_size, 1))
+ continue;
+ size = tree_low_cst (tr_size, 1);
if (pos > offset || (pos + size) <= offset)
continue;