[SCM] archer-jankratochvil-fortran-module: Initial overall FSF ChangeLog commit message.

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- Log -----------------------------------------------------------------
commit 14b15e692130d0ee0dbcf7f84fdef465a5f41931
Author: Jan Kratochvil <jan.kratochvil@redhat.com>
Date:   Wed May 6 00:33:07 2009 +0200

    Initial overall FSF ChangeLog commit message.
    
    gdb/
    	Implement Fortran modules namespaces.
    	* block.c (allocate_block): Initialize BLOCK_FORTRAN_USE.
    	* block.h (struct block <fortran_specific>, BLOCK_FORTRAN_USE): New.
    	* dwarf2read.c: Include block.h and f-lang.h.
    	(struct dwarf2_cu <language_specific>)
    	(add_partial_symbol <DW_TAG_module>): New.
    	(add_partial_module): Call add_partial_symbol, remove children scanning.
    	(process_die <DW_TAG_imported_module>,
    	(process_die <DW_TAG_imported_declaration): Call for Fortran CUs
    	read_fortran_imported_module and read_fortran_imported_declaration
    	respectively.
    	(read_func_scope): Intialize CU FORTRAN.USE and BLOCK_FORTRAN_USE.
    	(read_module): Implement modules reading.
    	(read_module_type, read_fortran_imported_module)
    	(read_fortran_imported_declaration): New.
    	(load_partial_dies): Read also DW_TAG_module.
    	(new_symbol): Set SYMBOL_LINKAGE_NAME for Fortran symbols from modules.
    	(new_symbol <DW_TAG_variable> <DW_AT_location> <DW_AT_external>):
    	Workaround gfortran debug bug.
    	(new_symbol <DW_TAG_module>, read_type_die <DW_TAG_module>)
    	(fortran_module_linkage_name): New.
    	* f-lang.c: Include block.h and gdb_assert.h.
    	(f_lookup_symbol_nonlocal): New.
    	(f_language_defn <lookup_symbol_nonlocal>): Use the new function.
    	* f-lang.h (struct fortran_using): New.
    	* gdbtypes.h (enum type_code <TYPE_CODE_MODULE>)
    	(struct main_type <type_specific.module_block, TYPE_MODULE_BLOCK): New.
    	* symtab.c (symbol_init_language_specific, symbol_natural_name)
    	(symbol_demangled_name): Use CPLUS_SPECIFIC.DEMANGLED_NAME for Fortran.
    	* symtab.h (domain_enum <MODULE_DOMAIN>): New.
    
    gdb/testsuite/
    	* gdb.fortran/library-module.exp, gdb.fortran/library-module-lib.f90,
    	gdb.fortran/library-module-main.f90: New.
    	* gdb.fortran/module.f90: Extend the testing for multiple modules.
    	* gdb.fortran/module.exp: Likewise.  Use prepare_for_testing.

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