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Fix dwarf2 abort while compiling mips simulator, reported by Michael Tiemann.

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* dwarf2out.c (scope_die_for): If could not find proper scope,
	check for and handle tagged type with incorrect TYPE_CONTEXT.

From-SVN: r19493
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Jim Wilson 1998-04-29 13:47:28 +00:00 committed by Jim Wilson
parent bf5f0e9098
commit 0c84c61834
2 changed files with 23 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
* dwarf2out.c (scope_die_for): If could not find proper scope,
check for and handle tagged type with incorrect TYPE_CONTEXT.
Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
* calls.c (expand_call): Fix recognition of C++ operator new.

18
gcc/dwarf2out.c
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@ -7577,6 +7577,24 @@ scope_die_for (t, context_die)
i = decl_scope_table[i].previous))
;
/* ??? Integrate_decl_tree does not handle BLOCK_TYPE_TAGS, nor
does it try to handle types defined by TYPE_DECLs. Such types
thus have an incorrect TYPE_CONTEXT, which points to the block
they were originally defined in, instead of the current block
created by function inlining. We try to detect that here and
work around it. */
if (i < 0 && scope_die == comp_unit_die
&& TREE_CODE (containing_scope) == BLOCK
&& is_tagged_type (t)
&& (block_ultimate_origin (decl_scope_table[decl_scope_depth - 1].scope)
== containing_scope))
{
scope_die = context_die;
/* Since the checks below are no longer applicable. */
i = 0;
}
if (i < 0)
{
if (scope_die != comp_unit_die