diff options
Diffstat (limited to 'gcc/fortran/dependency.c')
| -rw-r--r-- | gcc/fortran/dependency.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/gcc/fortran/dependency.c b/gcc/fortran/dependency.c index 8e78e43..82c5e6b 100644 --- a/gcc/fortran/dependency.c +++ b/gcc/fortran/dependency.c @@ -226,9 +226,26 @@ gfc_dep_compare_functions (gfc_expr *e1, gfc_expr *e2, bool impure_ok) if ((args1->expr == NULL) ^ (args2->expr == NULL)) return -2; - if (args1->expr != NULL && args2->expr != NULL - && gfc_dep_compare_expr (args1->expr, args2->expr) != 0) - return -2; + if (args1->expr != NULL && args2->expr != NULL) + { + gfc_expr *e1, *e2; + e1 = args1->expr; + e2 = args2->expr; + + if (gfc_dep_compare_expr (e1, e2) != 0) + return -2; + + /* Special case: String arguments which compare equal can have + different lengths, which makes them different in calls to + procedures. */ + + if (e1->expr_type == EXPR_CONSTANT + && e1->ts.type == BT_CHARACTER + && e2->expr_type == EXPR_CONSTANT + && e2->ts.type == BT_CHARACTER + && e1->value.character.length != e2->value.character.length) + return -2; + } args1 = args1->next; args2 = args2->next; |