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authorRichard Kenner <kenner@vlsi1.ultra.nyu.edu>2000-10-11 10:04:03 +0000
committerRichard Kenner <kenner@gcc.gnu.org>2000-10-11 06:04:03 -0400
commit0fba720823fddbd867885ead13999d5fed9ac9ae (patch)
tree4f21a8f7157e841a82606063245e3c5d8dd5c496 /gcc/tree.c
parent18a61d1cb2beda914a91ca0740b3715f1e51ff74 (diff)
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tree.c (get_narrower): Don't look at precision of field if not laid out yet.
* tree.c (get_narrower): Don't look at precision of field if not laid out yet. From-SVN: r36837
Diffstat (limited to 'gcc/tree.c')
-rw-r--r--gcc/tree.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index 6eafd91..fab3d1d 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -5052,11 +5052,12 @@ get_narrower (op, unsignedp_ptr)
if (TREE_CODE (op) == COMPONENT_REF
/* Since type_for_size always gives an integer type. */
- && TREE_CODE (TREE_TYPE (op)) != REAL_TYPE)
+ && TREE_CODE (TREE_TYPE (op)) != REAL_TYPE
+ /* Ensure field is laid out already. */
+ && DECL_SIZE (TREE_OPERAND (op, 1)) != 0)
{
- unsigned int innerprec
- = TREE_INT_CST_LOW (DECL_SIZE (TREE_OPERAND (op, 1)));
-
+ unsigned HOST_WIDE_INT innerprec
+ = tree_low_cst (DECL_SIZE (TREE_OPERAND (op, 1)), 1);
tree type = type_for_size (innerprec, TREE_UNSIGNED (op));
/* We can get this structure field in a narrower type that fits it,