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Fix tree-checking abort on testcase with undefined macro as array size.

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* c-decl.c (start_decl): Check for error_mark_node type before using
	COMPLETE_TYPE_P.
	(finish_decl): Likewise.  Don't give an error if decl type is
	already error_mark_node.

From-SVN: r36955
This commit is contained in:
Jim Wilson 2000-10-20 00:58:35 +00:00 committed by Jim Wilson
parent ef3751295c
commit f4fce7eda4
2 changed files with 17 additions and 3 deletions

5
gcc/ChangeLog

@ -1,5 +1,10 @@
2000-10-19 Jim Wilson <wilson@cygnus.com>
* c-decl.c (start_decl): Check for error_mark_node type before using
COMPLETE_TYPE_P.
(finish_decl): Likewise. Don't give an error if decl type is
already error_mark_node.
* haifa-sched.c (compute_trg_info): Add explanatory comments.
New local update_blocks. Use update_blocks to remove duplicates
when computing update blocks. Check for bblst_table overflow.

15
gcc/c-decl.c

@ -3506,7 +3506,12 @@ start_decl (declarator, declspecs, initialized, attributes, prefix_attributes)
default:
/* Don't allow initializations for incomplete types
except for arrays which might be completed by the initialization. */
if (COMPLETE_TYPE_P (TREE_TYPE (decl)))
/* This can happen if the array size is an undefined macro. We already
gave a warning, so we don't need another one. */
if (TREE_TYPE (decl) == error_mark_node)
initialized = 0;
else if (COMPLETE_TYPE_P (TREE_TYPE (decl)))
{
/* A complete type is ok if size is fixed. */
@ -3584,7 +3589,8 @@ start_decl (declarator, declspecs, initialized, attributes, prefix_attributes)
&& DECL_RTL (tem) == 0
&& !DECL_CONTEXT (tem))
{
if (COMPLETE_TYPE_P (TREE_TYPE (tem)))
if (TREE_TYPE (tem) != error_mark_node
&& COMPLETE_TYPE_P (TREE_TYPE (tem)))
expand_decl (tem);
else if (TREE_CODE (TREE_TYPE (tem)) == ARRAY_TYPE
&& DECL_INITIAL (tem) != 0)
@ -3679,10 +3685,13 @@ finish_decl (decl, init, asmspec_tree)
if (TREE_CODE (decl) == VAR_DECL)
{
if (DECL_SIZE (decl) == 0 && COMPLETE_TYPE_P (TREE_TYPE (decl)))
if (DECL_SIZE (decl) == 0 && TREE_TYPE (decl) != error_mark_node
&& COMPLETE_TYPE_P (TREE_TYPE (decl)))
layout_decl (decl, 0);
if (DECL_SIZE (decl) == 0
/* Don't give an error if we already gave one earlier. */
&& TREE_TYPE (decl) != error_mark_node
&& (TREE_STATIC (decl)
?
/* A static variable with an incomplete type