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Diffstat (limited to 'gcc/fortran/trans-common.c')
| -rw-r--r-- | gcc/fortran/trans-common.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/fortran/trans-common.c b/gcc/fortran/trans-common.c index a11cf4c..7bcf18d 100644 --- a/gcc/fortran/trans-common.c +++ b/gcc/fortran/trans-common.c @@ -759,10 +759,11 @@ create_common (gfc_common_head *com, segment_info *head, bool saw_equiv) else gfc_add_decl_to_function (var_decl); - SET_DECL_VALUE_EXPR (var_decl, - fold_build3_loc (input_location, COMPONENT_REF, - TREE_TYPE (s->field), - decl, s->field, NULL_TREE)); + tree comp = build3_loc (input_location, COMPONENT_REF, + TREE_TYPE (s->field), decl, s->field, NULL_TREE); + if (TREE_THIS_VOLATILE (s->field)) + TREE_THIS_VOLATILE (comp) = 1; + SET_DECL_VALUE_EXPR (var_decl, comp); DECL_HAS_VALUE_EXPR_P (var_decl) = 1; GFC_DECL_COMMON_OR_EQUIV (var_decl) = 1; |