[Bug fortran/79311] New: internal compiler error: generate_finalization_wrapper
liakhdi at ornl dot gov
gcc-bugzilla@gcc.gnu.org
Tue Jan 31 22:31:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79311
Bug ID: 79311
Summary: internal compiler error: generate_finalization_wrapper
Product: gcc
Version: 6.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: liakhdi at ornl dot gov
Target Milestone: ---
Created attachment 40641
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40641&action=edit
Source reproducer
Below is the GFORTRAN internal compiler error backtrace I encountered. There
are four source files in the attachment and a simple make script. Files
dil_basic.F90, tensor_algebra.F90, and stsubs.F90 are just auxiliary utilities.
The problematic source file is tensor_recursive.F90. There are three classes
defined there: tens_signature_t, tens_shape_t, and tens_header_t. The latter
class contains two components of the former types (tens_signature_t and
tens_shape_t). While Final subroutines in the tens_signature_t and tens_shape_t
compile fine, the Final subroutine in the composite class fails to compile with
an internal compiler error (below). If you comment it in the type declaration
(tens_header_t), it will compile. Please help fixing this issue:
f951: internal compiler error: in generate_finalization_wrapper, at
fortran/class.c:1972
0x63e92a generate_finalization_wrapper
../../cray-gcc-6.2.0/gcc/fortran/class.c:1972
0x63e92a gfc_find_derived_vtab(gfc_symbol*)
../../cray-gcc-6.2.0/gcc/fortran/class.c:2404
0x63fcf5 finalize_component
../../cray-gcc-6.2.0/gcc/fortran/class.c:995
0x63ed9e generate_finalization_wrapper
../../cray-gcc-6.2.0/gcc/fortran/class.c:2128
0x63ed9e gfc_find_derived_vtab(gfc_symbol*)
../../cray-gcc-6.2.0/gcc/fortran/class.c:2404
0x6b02e0 gfc_resolve_finalizers
../../cray-gcc-6.2.0/gcc/fortran/resolve.c:12198
0x6c5573 resolve_fl_derived
../../cray-gcc-6.2.0/gcc/fortran/resolve.c:13463
0x6c0476 resolve_symbol
../../cray-gcc-6.2.0/gcc/fortran/resolve.c:13762
0x6d9dbb do_traverse_symtree
../../cray-gcc-6.2.0/gcc/fortran/symbol.c:3926
0x6c36aa resolve_types
../../cray-gcc-6.2.0/gcc/fortran/resolve.c:15555
0x6bf0df gfc_resolve(gfc_namespace*)
../../cray-gcc-6.2.0/gcc/fortran/resolve.c:15665
0x6aaaf4 gfc_parse_file()
../../cray-gcc-6.2.0/gcc/fortran/parse.c:6059
0x6ebed2 gfc_be_parse_file
../../cray-gcc-6.2.0/gcc/fortran/f95-lang.c:201
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