https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98023
Bug ID: 98023
Summary: ICE: free_expr0(): Bad expr type
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
gfortran-11.0.0-alpha20201122 snapshot
(g:e23f47ec4065e9eec53c4ad9db91bc36a4f90793) ICEs when compiling the following
testcase reduced from test/Semantics/resolve92.f90 from the flang 11.0.0 test
suite:
module x1
type :: ww(fz)
integer, kind :: fz
end type ww
type :: ky(ww)
integer, kind :: ww
type(ww(fz)) :: ke = ww(fz)
end type ky
end module x1
% powerpc-e300c3-linux-gnu-gfortran-11.0.0 -c txoboesk.f90
f951: internal compiler error: free_expr0(): Bad expr type
0x7fdb7a gfc_report_diagnostic
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/error.c:782
0x7fdb7a gfc_internal_error(char const*, ...)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/error.c:1402
0x7fe7ce free_expr0
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/expr.c:509
0x7fe7dd gfc_free_expr(gfc_expr*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/expr.c:530
0x7fe7dd gfc_free_expr(gfc_expr*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/expr.c:526
0x7fe824 gfc_free_actual_arglist(gfc_actual_arglist*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/expr.c:546
0x7eeb9c gfc_match_data_decl()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/decl.c:6246
0x85d0d9 match_word
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/parse.c:65
0x85d0d9 decode_statement
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/parse.c:376
0x862524 next_free
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/parse.c:1315
0x862524 next_statement
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/parse.c:1547
0x864934 parse_derived
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/parse.c:3383
0x864934 parse_spec
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/parse.c:3924
0x867b56 parse_module
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/parse.c:6156
0x868122 gfc_parse_file()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/parse.c:6469
0x8bddbe gfc_be_parse_file
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201122/work/gcc-11-20201122/gcc/fortran/f95-lang.c:212
(While my target here is powerpc, the ICE is not target-dependent.)
