https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101735
Bug ID: 101735 Summary: Type parameter inquiries for substrings are rejected Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: anlauf at gcc dot gnu.org Target Milestone: --- As noted by Tobias Burnus in pr100950, type parameter inquiries (see e.g. F2018:9.4.5) are not recognized for substrings. character(len=5) :: str integer, parameter :: j = str% kind ! accepted (ok) integer, parameter :: k = str% len ! accepted (ok) integer, parameter :: l = str(1:3)% len ! not accepted integer, parameter :: m = str(1:3)% kind ! not accepted end gives: pr100950-inq.f90:4:25: 4 | integer, parameter :: l = str(1:3)% len ! not accepted | 1 Error: Parameter 'str' at (1) has not been declared or is a variable, which does not reduce to a constant expression pr100950-inq.f90:5:25: 5 | integer, parameter :: m = str(1:3)% kind ! not accepted | 1 Error: Parameter 'str' at (1) has not been declared or is a variable, which does not reduce to a constant expression