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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
This commit is contained in:
John David Anglin 2004-02-20 23:03:41 +00:00 committed by John David Anglin
parent 0fed9ec7f3
commit 7a3e01c408
4 changed files with 30 additions and 17 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2004-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR c++/12007
* dbxout.c (dbxout_parms): Check that DECL_RTL and DECL_INCOMING_RTL
are set for parameters before outputing debugging information.
2004-02-20 Falk Hueffner <falk@debian.org>
PR target/14201

5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2004-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR c++/12007
* method.c (use_thunk): Always clone function argument tree.
2004-02-20 Mark Mitchell <mark@codesourcery.com>
PR c++/14199

31
gcc/cp/method.c
View File

@ -331,7 +331,7 @@ make_alias_for_thunk (tree function)
void
use_thunk (tree thunk_fndecl, bool emit_p)
{
tree function, alias;
tree a, t, function, alias;
tree virtual_offset;
HOST_WIDE_INT fixed_offset, virtual_value;
bool this_adjusting = DECL_THIS_THUNK_P (thunk_fndecl);
@ -417,7 +417,20 @@ use_thunk (tree thunk_fndecl, bool emit_p)
/* The back-end expects DECL_INITIAL to contain a BLOCK, so we
create one. */
DECL_INITIAL (thunk_fndecl) = make_node (BLOCK);
BLOCK_VARS (DECL_INITIAL (thunk_fndecl)) = DECL_ARGUMENTS (thunk_fndecl);
/* Set up cloned argument trees for the thunk. */
t = NULL_TREE;
for (a = DECL_ARGUMENTS (function); a; a = TREE_CHAIN (a))
{
tree x = copy_node (a);
TREE_CHAIN (x) = t;
DECL_CONTEXT (x) = thunk_fndecl;
SET_DECL_RTL (x, NULL_RTX);
t = x;
}
a = nreverse (t);
DECL_ARGUMENTS (thunk_fndecl) = a;
BLOCK_VARS (DECL_INITIAL (thunk_fndecl)) = a;
if (this_adjusting
&& targetm.asm_out.can_output_mi_thunk (thunk_fndecl, fixed_offset,
@ -450,24 +463,10 @@ use_thunk (tree thunk_fndecl, bool emit_p)
just makes a call to the real function. Unfortunately, this
doesn't work for varargs. */
tree a, t;
if (varargs_function_p (function))
error ("generic thunk code fails for method `%#D' which uses `...'",
function);
/* Set up cloned argument trees for the thunk. */
t = NULL_TREE;
for (a = DECL_ARGUMENTS (function); a; a = TREE_CHAIN (a))
{
tree x = copy_node (a);
TREE_CHAIN (x) = t;
DECL_CONTEXT (x) = thunk_fndecl;
SET_DECL_RTL (x, NULL_RTX);
t = x;
}
a = nreverse (t);
DECL_ARGUMENTS (thunk_fndecl) = a;
DECL_RESULT (thunk_fndecl) = NULL_TREE;
start_function (NULL_TREE, thunk_fndecl, NULL_TREE, SF_PRE_PARSED);

5
gcc/dbxout.c
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@ -2750,7 +2750,10 @@ dbxout_parms (tree parms)
emit_pending_bincls_if_required ();
for (; parms; parms = TREE_CHAIN (parms))
if (DECL_NAME (parms) && TREE_TYPE (parms) != error_mark_node)
if (DECL_NAME (parms)
&& TREE_TYPE (parms) != error_mark_node
&& DECL_RTL_SET_P (parms)
&& DECL_INCOMING_RTL (parms))
{
dbxout_prepare_symbol (parms);