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authorpault <pault@138bc75d-0d04-0410-961f-82ee72b054a4>2009-03-31 20:03:23 +0000
committerpault <pault@138bc75d-0d04-0410-961f-82ee72b054a4>2009-03-31 20:03:23 +0000
commitbd6190474abf336e4892e6d45040a28fe2c0d21d (patch)
treef9137ff38dfef4f8d462e92348dbae3950b9f0b4 /gcc/fortran/trans-expr.c
parent9ff1ba0af500959f6f725e54c4be2395cc741412 (diff)
downloadppe42-gcc-bd6190474abf336e4892e6d45040a28fe2c0d21d.tar.gz
ppe42-gcc-bd6190474abf336e4892e6d45040a28fe2c0d21d.zip
2009-03-31 Paul Thomas <pault@gcc.gnu.org>
PR fortran/38915 * trans-expr.c (gfc_trans_assignment_1): Ensure temporaries have a string_length. 2009-03-31 Paul Thomas <pault@gcc.gnu.org> PR fortran/38915 * gfortran.dg/char_length_15.f90: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145370 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fortran/trans-expr.c')
-rw-r--r--gcc/fortran/trans-expr.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c
index 91485d1d09c..dcbccefcaea 100644
--- a/gcc/fortran/trans-expr.c
+++ b/gcc/fortran/trans-expr.c
@@ -4585,6 +4585,7 @@ gfc_trans_assignment_1 (gfc_expr * expr1, gfc_expr * expr2, bool init_flag)
stmtblock_t body;
bool l_is_temp;
bool scalar_to_array;
+ tree string_length;
/* Assignment of the form lhs = rhs. */
gfc_start_block (&block);
@@ -4660,10 +4661,18 @@ gfc_trans_assignment_1 (gfc_expr * expr1, gfc_expr * expr2, bool init_flag)
/* Translate the expression. */
gfc_conv_expr (&rse, expr2);
+ /* Stabilize a string length for temporaries. */
+ if (expr2->ts.type == BT_CHARACTER)
+ string_length = gfc_evaluate_now (rse.string_length, &rse.pre);
+ else
+ string_length = NULL_TREE;
+
if (l_is_temp)
{
gfc_conv_tmp_array_ref (&lse);
gfc_advance_se_ss_chain (&lse);
+ if (expr2->ts.type == BT_CHARACTER)
+ lse.string_length = string_length;
}
else
gfc_conv_expr (&lse, expr1);
@@ -4718,6 +4727,9 @@ gfc_trans_assignment_1 (gfc_expr * expr1, gfc_expr * expr2, bool init_flag)
gcc_assert (lse.ss == gfc_ss_terminator
&& rse.ss == gfc_ss_terminator);
+ if (expr2->ts.type == BT_CHARACTER)
+ rse.string_length = string_length;
+
tmp = gfc_trans_scalar_assign (&lse, &rse, expr1->ts,
false, false);
gfc_add_expr_to_block (&body, tmp);
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