re PR c++/12007 (Multiple inheritance float pass by value fails)
PR c++/12007 * dbxout.c (dbxout_parms): Check that DECL_RTL and DECL_INCOMING_RTL are set for parameters before outputing debugging information. * cp/method.c (use_thunk): Always clone function argument tree. From-SVN: r78192
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@ -1,3 +1,9 @@
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2004-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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PR c++/12007
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* dbxout.c (dbxout_parms): Check that DECL_RTL and DECL_INCOMING_RTL
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are set for parameters before outputing debugging information.
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2004-02-20 Falk Hueffner <falk@debian.org>
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PR target/14201
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@ -1,3 +1,8 @@
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2004-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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PR c++/12007
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* method.c (use_thunk): Always clone function argument tree.
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2004-02-20 Mark Mitchell <mark@codesourcery.com>
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PR c++/14199
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@ -331,7 +331,7 @@ make_alias_for_thunk (tree function)
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void
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use_thunk (tree thunk_fndecl, bool emit_p)
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{
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tree function, alias;
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tree a, t, function, alias;
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tree virtual_offset;
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HOST_WIDE_INT fixed_offset, virtual_value;
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bool this_adjusting = DECL_THIS_THUNK_P (thunk_fndecl);
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@ -417,7 +417,20 @@ use_thunk (tree thunk_fndecl, bool emit_p)
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/* The back-end expects DECL_INITIAL to contain a BLOCK, so we
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create one. */
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DECL_INITIAL (thunk_fndecl) = make_node (BLOCK);
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BLOCK_VARS (DECL_INITIAL (thunk_fndecl)) = DECL_ARGUMENTS (thunk_fndecl);
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/* Set up cloned argument trees for the thunk. */
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t = NULL_TREE;
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for (a = DECL_ARGUMENTS (function); a; a = TREE_CHAIN (a))
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{
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tree x = copy_node (a);
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TREE_CHAIN (x) = t;
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DECL_CONTEXT (x) = thunk_fndecl;
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SET_DECL_RTL (x, NULL_RTX);
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t = x;
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}
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a = nreverse (t);
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DECL_ARGUMENTS (thunk_fndecl) = a;
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BLOCK_VARS (DECL_INITIAL (thunk_fndecl)) = a;
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if (this_adjusting
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&& targetm.asm_out.can_output_mi_thunk (thunk_fndecl, fixed_offset,
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@ -450,24 +463,10 @@ use_thunk (tree thunk_fndecl, bool emit_p)
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just makes a call to the real function. Unfortunately, this
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doesn't work for varargs. */
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tree a, t;
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if (varargs_function_p (function))
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error ("generic thunk code fails for method `%#D' which uses `...'",
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function);
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/* Set up cloned argument trees for the thunk. */
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t = NULL_TREE;
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for (a = DECL_ARGUMENTS (function); a; a = TREE_CHAIN (a))
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{
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tree x = copy_node (a);
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TREE_CHAIN (x) = t;
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DECL_CONTEXT (x) = thunk_fndecl;
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SET_DECL_RTL (x, NULL_RTX);
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t = x;
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}
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a = nreverse (t);
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DECL_ARGUMENTS (thunk_fndecl) = a;
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DECL_RESULT (thunk_fndecl) = NULL_TREE;
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start_function (NULL_TREE, thunk_fndecl, NULL_TREE, SF_PRE_PARSED);
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@ -2750,7 +2750,10 @@ dbxout_parms (tree parms)
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emit_pending_bincls_if_required ();
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for (; parms; parms = TREE_CHAIN (parms))
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if (DECL_NAME (parms) && TREE_TYPE (parms) != error_mark_node)
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if (DECL_NAME (parms)
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&& TREE_TYPE (parms) != error_mark_node
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&& DECL_RTL_SET_P (parms)
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&& DECL_INCOMING_RTL (parms))
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{
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dbxout_prepare_symbol (parms);
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