[Bug fortran/30554] ICE in mio_pointer_ref at module.c:1945

["burnus at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #2 from burnus at gcc dot gnu dot org  2007-01-23 20:56 -------
Some more debug information:

The error occurs when the symbol "hessian" is written.
The error is gone if one removes the ": only ENERGY_CONSTRAINT" or the "use
atoms" from the POTENTIAL_ENERGY module (if you have {atom,constraint}.mod
files, the two use statements in POTENTIAL_ENERGY are enough to cause the ICE.)

Till write_symbol everything looks fine (and a printf(sym-name) prints
"hessian" before the ICE occurs.)

==1963== Invalid read of size 8
==1963==    at 0x43C85E: mio_pointer_ref (module.c:1945)
==1963==    by 0x43CCB6: mio_symbol_ref (module.c:2174)
==1963==    by 0x43CD38: mio_symtree_ref (module.c:2200)
==1963==    by 0x43D767: mio_expr (module.c:2699)
==1963==    by 0x43C5E1: mio_array_spec (module.c:1846)
==1963==    by 0x43DCC8: mio_symbol (module.c:2946)
==1963==    by 0x43EC5B: write_symbol (module.c:3640)
==1963==    by 0x43EE0E: write_symbol1 (module.c:3708)
==1963==    by 0x43EDC1: write_symbol1 (module.c:3701)
==1963==    by 0x43F149: write_module (module.c:3828)
==1963==    by 0x43F34D: gfc_dump_module (module.c:3891)
==1963==    by 0x446C2A: gfc_parse_file (parse.c:3239)
==1963==  Address 0x28 is not stack'd, malloc'd or (recently) free'd


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30554