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authorfxcoudert <fxcoudert@138bc75d-0d04-0410-961f-82ee72b054a4>2007-09-18 21:25:40 +0000
committerfxcoudert <fxcoudert@138bc75d-0d04-0410-961f-82ee72b054a4>2007-09-18 21:25:40 +0000
commitd1bc0659b7e57c1422888f0d3e48dc9fcae66015 (patch)
tree840b670afbca3676c80e2e73b02d1cc9ae3a0c25 /gcc/fortran/trans-array.c
parent73b7e503d84d854c1e44149da1915d0d49a60b98 (diff)
downloadgcc-d1bc0659b7e57c1422888f0d3e48dc9fcae66015.tar.gz
PR fortran/31119
* trans-array.c (gfc_conv_ss_startstride): Only perform bounds checking for optional args when they are present. * gfortran.dg/bounds_check_9.f90: New test. * gfortran.dg/bounds_check_fail_2.f90: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128587 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fortran/trans-array.c')
-rw-r--r--gcc/fortran/trans-array.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c
index 1e02b81167f..64a62dbd018 100644
--- a/gcc/fortran/trans-array.c
+++ b/gcc/fortran/trans-array.c
@@ -2993,8 +2993,22 @@ gfc_conv_ss_startstride (gfc_loopinfo * loop)
others against this. */
if (size[n])
{
- tree tmp3
- = fold_build2 (NE_EXPR, boolean_type_node, tmp, size[n]);
+ tree tmp3;
+
+ tmp3 = fold_build2 (NE_EXPR, boolean_type_node, tmp, size[n]);
+
+ /* For optional arguments, only check bounds if the
+ argument is present. */
+ if (ss->expr->symtree->n.sym->attr.optional
+ || ss->expr->symtree->n.sym->attr.not_always_present)
+ {
+ tree cond;
+
+ cond = gfc_conv_expr_present (ss->expr->symtree->n.sym);
+ tmp3 = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
+ cond, tmp3);
+ }
+
asprintf (&msg, "%s, size mismatch for dimension %d "
"of array '%s' (%%ld/%%ld)", gfc_msg_bounds,
info->dim[n]+1, ss->expr->symtree->name);