From 16e95050f71e9fa408e9bd8ccd415b0e7adc66e5 Mon Sep 17 00:00:00 2001 From: Harald Anlauf Date: Tue, 23 Nov 2021 21:39:36 +0100 Subject: Fortran: do not attempt simplification of [LU]BOUND for pointer/allocatable gcc/fortran/ChangeLog: PR fortran/103392 * simplify.c (simplify_bound): Do not try to simplify LBOUND/UBOUND for arrays with POINTER or ALLOCATABLE attribute. gcc/testsuite/ChangeLog: PR fortran/103392 * gfortran.dg/bound_simplification_7.f90: New test. --- gcc/fortran/simplify.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'gcc/fortran') diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c index 6a6b3fb..c9e13b5 100644 --- a/gcc/fortran/simplify.c +++ b/gcc/fortran/simplify.c @@ -4266,6 +4266,12 @@ simplify_bound (gfc_expr *array, gfc_expr *dim, gfc_expr *kind, int upper) || (as->type == AS_ASSUMED_SHAPE && upper))) return NULL; + /* 'array' shall not be an unallocated allocatable variable or a pointer that + is not associated. */ + if (array->expr_type == EXPR_VARIABLE + && (gfc_expr_attr (array).allocatable || gfc_expr_attr (array).pointer)) + return NULL; + gcc_assert (!as || (as->type != AS_DEFERRED && array->expr_type == EXPR_VARIABLE -- cgit v1.1