diff options
Diffstat (limited to 'gcc/fortran')
| -rw-r--r-- | gcc/fortran/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fortran/trans-expr.c | 12 |
2 files changed, 18 insertions, 0 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index c7ed02d..ef6d2b5 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -137,6 +137,12 @@ Add 2009 to copyright years. * trans.c (gfc_trans_code): Likewise on both counts. +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. + 2009-03-28 Tobias Burnus <burnus@net-b.de> PR fortran/34656 diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c index 91485d1..dcbccef 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); |