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authorLouis Krupp <louis.krupp@zoho.com>2016-10-07 02:24:40 +0000
committerLouis Krupp <lkrupp@gcc.gnu.org>2016-10-07 02:24:40 +0000
commit4ee822df35cf031573ff85e05494afebacf9779a (patch)
tree779aa76faf96f82c0c0ec81859bc06154a5551e1 /gcc/fortran/trans-array.c
parentac193ee73ca85cae3e7c761f1bda491620b4ccab (diff)
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[multiple changes]
2016-10-06 Louis Krupp <louis.krupp@zoho.com> * gfortran.dg/pr69955.f90: New test. 2016-10-06 Louis Krupp <louis.krupp@zoho.com> PR fortran/69955 * trans-array.c (gfc_conv_expr_descriptor): Don't allocate components if it's not necessary. From-SVN: r240851
Diffstat (limited to 'gcc/fortran/trans-array.c')
-rw-r--r--gcc/fortran/trans-array.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c
index 50312fe..37cca79 100644
--- a/gcc/fortran/trans-array.c
+++ b/gcc/fortran/trans-array.c
@@ -6963,6 +6963,7 @@ gfc_conv_expr_descriptor (gfc_se *se, gfc_expr *expr)
/* TODO: Optimize passing function return values. */
gfc_se lse;
gfc_se rse;
+ bool deep_copy;
/* Start the copying loops. */
gfc_mark_ss_chain_used (loop.temp_ss, 1);
@@ -6993,9 +6994,12 @@ gfc_conv_expr_descriptor (gfc_se *se, gfc_expr *expr)
gfc_add_block_to_block (&block, &lse.pre);
lse.string_length = rse.string_length;
+
+ deep_copy = !se->data_not_needed
+ && (expr->expr_type == EXPR_VARIABLE
+ || expr->expr_type == EXPR_ARRAY);
tmp = gfc_trans_scalar_assign (&lse, &rse, expr->ts,
- expr->expr_type == EXPR_VARIABLE
- || expr->expr_type == EXPR_ARRAY, false);
+ deep_copy, false);
gfc_add_expr_to_block (&block, tmp);
/* Finish the copying loops. */