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re PR middle-end/46725 (ICE when compiling libstdc++-v3/include/precompiled/stdc++.h)

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PR middle-end/46725
	Revert
	2010-11-30  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (build_range_type_1): Do not set TYPE_STRUCTURAL_EQUALITY_P
	because of self-referential bounds.

From-SVN: r167300
This commit is contained in:
Eric Botcazou 2010-11-30 15:48:09 +00:00
parent 20f455770b
commit 5b55141a95
2 changed files with 2 additions and 9 deletions
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5
gcc/ChangeLog
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@ -5,11 +5,6 @@
call. Manually create EH edges for the direct call and update
target PHI nodes.
2010-11-30 Eric Botcazou <ebotcazou@adacore.com>
* tree.c (build_range_type_1): Do not set TYPE_STRUCTURAL_EQUALITY_P
because of self-referential bounds.
2010-11-30 Joseph Myers <joseph@codesourcery.com>
* diagnostic-core.h: Include bversion.h.

6
gcc/tree.c
View File

@ -7110,11 +7110,9 @@ build_range_type_1 (tree type, tree lowval, tree highval, bool shared)
TYPE_USER_ALIGN (itype) = TYPE_USER_ALIGN (type);
if ((TYPE_MIN_VALUE (itype)
&& TREE_CODE (TYPE_MIN_VALUE (itype)) != INTEGER_CST
&& !CONTAINS_PLACEHOLDER_P (TYPE_MIN_VALUE (itype)))
&& TREE_CODE (TYPE_MIN_VALUE (itype)) != INTEGER_CST)
|| (TYPE_MAX_VALUE (itype)
&& TREE_CODE (TYPE_MAX_VALUE (itype)) != INTEGER_CST
&& !CONTAINS_PLACEHOLDER_P (TYPE_MAX_VALUE (itype))))
&& TREE_CODE (TYPE_MAX_VALUE (itype)) != INTEGER_CST))
{
/* Since we cannot reliably merge this type, we need to compare it using
structural equality checks. */