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[Bug fortran/37744] ICE-on-invalid with ISO_C_BINDING and TYPEs
- From: "dfranke at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Dec 2008 19:12:15 -0000
- Subject: [Bug fortran/37744] ICE-on-invalid with ISO_C_BINDING and TYPEs
- References: <bug-37744-15865@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from dfranke at gcc dot gnu dot org 2008-12-09 19:12 -------
Confirmed. As is, the testcase hangs for me and does not ICE. However, valgrind
shows
==3159==
pr37744.f90:22.19:
foo%flags(trouble) = .FALSE.
1
Error: Symbol 'trouble' at (1) has no IMPLICIT type
==3159== Invalid read of size 4
==3159== at 0x80C88BB: gfc_delete_symtree (symbol.c:2269)
==3159== by 0x80C898C: gfc_undo_symbols (symbol.c:2723)
==3159== by 0x80A35E4: decode_statement (parse.c:267)
==3159== by 0x80A46C4: next_statement (parse.c:661)
==3159== by 0x80A6DFB: gfc_parse_file (parse.c:3781)
==3159== by 0x80EC438: gfc_init_constants (trans-const.c:197)
==3159== by 0x80D6CDC: gfc_be_parse_file (f95-lang.c:236)
==3159== by 0x83B7FC2: toplev_main (toplev.c:968)
==3159== by 0x40D1004: (below main) (in /lib/libc-2.6.1.so)
==3159== Address 0x42893e8 is 0 bytes inside a block of size 1,676 free'd
==3159== at 0x4023F2A: free (vg_replace_malloc.c:323)
==3159== by 0x80C81B5: gfc_free_namespace (symbol.c:3065)
==3159== by 0x80EC438: gfc_init_constants (trans-const.c:197)
==3159== by 0x80D6CDC: gfc_be_parse_file (f95-lang.c:236)
==3159== by 0x83B7FC2: toplev_main (toplev.c:968)
==3159== by 0x40D1004: (below main) (in /lib/libc-2.6.1.so)
[snipped many more invalid reads/writes]
==3159==
==3159== ERROR SUMMARY: 78 errors from 19 contexts (suppressed: 7 from 1)
==3159== malloc/free: in use at exit: 212,092 bytes in 976 blocks.
==3159== malloc/free: 2,238 allocs, 1,268 frees, 522,550 bytes allocated.
==3159== For counts of detected errors, rerun with: -v
==3159== searching for pointers to 976 not-freed blocks.
==3159== checked 2,261,148 bytes.
--
dfranke at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dfranke at gcc dot gnu dot
| |org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
GCC host triplet|i686-pc-linux-gnu |
GCC target triplet|i686-pc-linux-gnu |
Known to fail| |4.3.2 4.4.0
Last reconfirmed|0000-00-00 00:00:00 |2008-12-09 19:12:15
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37744