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* [Bug fortran/33550] New: ICE (segfault) when USEing ambiguous symbols @ 2007-09-25 6:20 burnus at gcc dot gnu dot org 2007-09-27 13:27 ` [Bug fortran/33550] " fxcoudert at gcc dot gnu dot org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: burnus at gcc dot gnu dot org @ 2007-09-25 6:20 UTC (permalink / raw) To: gcc-bugs Found at http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/1abc1549a6a164f1/ by James Van Buskirk: ------------------------- module M1 real x end module M1 module M2 contains subroutine y end subroutine y end module M2 module M3 use M2, x => y end module M3 module M4 use M1 use M3 end module M4 module M5 use M4 end module M5 module M6 use M5 end module M6 program test use M6 interface function x(z) end function x end interface write(*,*) 'Hello, world!' end program test function x(z) x = z end function x ------------------------- g95: In file a.f90:31 function x(z) 1 Error: Name 'x' at (1) is an ambiguous reference to 'x' from module 'm1' NAG f95: Error: a.f90, line 31: Symbol X resolves to X in module M1 and to Y in module M2 detected at FUNCTION@X Error: a.f90, line 31: Redeclaration of symbol Y from USEd module detected at FUNCTION@X Error: a.f90, line 31: Duplicate subprogram name Y detected at FUNCTION@X valgrind: ==7549== Conditional jump or move depends on uninitialised value(s) ==7549== at 0x416222: get_proc_name (decl.c:712) ==7549== by 0x4186DA: gfc_match_function_decl (decl.c:4054) ==7549== by 0x44EE4F: decode_statement (parse.c:116) ==7549== by 0x44FAE4: next_statement (parse.c:505) ==7549== by 0x451023: parse_spec (parse.c:1747) ==7549== by 0x4527B5: parse_progunit (parse.c:2965) ==7549== by 0x452C79: gfc_parse_file (parse.c:3271) ==7549== by 0x479C24: gfc_be_parse_file (f95-lang.c:258) ==7549== by 0x6D4B61: toplev_main (toplev.c:1039) -- Summary: ICE (segfault) when USEing ambiguous symbols Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: burnus at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33550 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/33550] ICE (segfault) when USEing ambiguous symbols 2007-09-25 6:20 [Bug fortran/33550] New: ICE (segfault) when USEing ambiguous symbols burnus at gcc dot gnu dot org @ 2007-09-27 13:27 ` fxcoudert at gcc dot gnu dot org 2007-09-30 16:55 ` pault at gcc dot gnu dot org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: fxcoudert at gcc dot gnu dot org @ 2007-09-27 13:27 UTC (permalink / raw) To: gcc-bugs -- fxcoudert at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2007-09-27 13:26:54 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33550 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/33550] ICE (segfault) when USEing ambiguous symbols 2007-09-25 6:20 [Bug fortran/33550] New: ICE (segfault) when USEing ambiguous symbols burnus at gcc dot gnu dot org 2007-09-27 13:27 ` [Bug fortran/33550] " fxcoudert at gcc dot gnu dot org @ 2007-09-30 16:55 ` pault at gcc dot gnu dot org 2007-10-02 7:53 ` pault at gcc dot gnu dot org 2007-10-02 8:45 ` pault at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: pault at gcc dot gnu dot org @ 2007-09-30 16:55 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from pault at gcc dot gnu dot org 2007-09-30 16:55 ------- Since I posted a fix, I had better take it! Paul -- pault at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |pault at gcc dot gnu dot org |dot org | Status|NEW |ASSIGNED Last reconfirmed|2007-09-27 13:26:54 |2007-09-30 16:55:35 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33550 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/33550] ICE (segfault) when USEing ambiguous symbols 2007-09-25 6:20 [Bug fortran/33550] New: ICE (segfault) when USEing ambiguous symbols burnus at gcc dot gnu dot org 2007-09-27 13:27 ` [Bug fortran/33550] " fxcoudert at gcc dot gnu dot org 2007-09-30 16:55 ` pault at gcc dot gnu dot org @ 2007-10-02 7:53 ` pault at gcc dot gnu dot org 2007-10-02 8:45 ` pault at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: pault at gcc dot gnu dot org @ 2007-10-02 7:53 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from pault at gcc dot gnu dot org 2007-10-02 07:53 ------- Subject: Bug 33550 Author: pault Date: Tue Oct 2 07:53:05 2007 New Revision: 128949 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128949 Log: 2007-10-02 Paul Thomas <pault@gcc.gnu.org> PR fortran/33550 * decl.c (get_proc_name): Return rc if rc is non-zero; ie. if the name is a reference to an ambiguous symbol. 2007-10-02 Paul Thomas <pault@gcc.gnu.org> PR fortran/33550 * gfortran.dg/ambiguous_reference_1.f90: New test. Added: trunk/gcc/testsuite/gfortran.dg/ambiguous_reference_1.f90 Modified: trunk/gcc/fortran/ChangeLog trunk/gcc/fortran/decl.c trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33550 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/33550] ICE (segfault) when USEing ambiguous symbols 2007-09-25 6:20 [Bug fortran/33550] New: ICE (segfault) when USEing ambiguous symbols burnus at gcc dot gnu dot org ` (2 preceding siblings ...) 2007-10-02 7:53 ` pault at gcc dot gnu dot org @ 2007-10-02 8:45 ` pault at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: pault at gcc dot gnu dot org @ 2007-10-02 8:45 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from pault at gcc dot gnu dot org 2007-10-02 08:45 ------- Fixed on trunk Paul -- pault at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33550 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2007-10-02 8:45 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2007-09-25 6:20 [Bug fortran/33550] New: ICE (segfault) when USEing ambiguous symbols burnus at gcc dot gnu dot org 2007-09-27 13:27 ` [Bug fortran/33550] " fxcoudert at gcc dot gnu dot org 2007-09-30 16:55 ` pault at gcc dot gnu dot org 2007-10-02 7:53 ` pault at gcc dot gnu dot org 2007-10-02 8:45 ` pault at gcc dot gnu dot org
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