From 3f1faac1daefa83b6588424873c01f7d1370277d Mon Sep 17 00:00:00 2001 From: Eric Botcazou Date: Tue, 30 Nov 2010 14:24:11 +0000 Subject: [PATCH] tree.c (build_range_type_1): Do not set TYPE_STRUCTURAL_EQUALITY_P because of self-referential bounds. * tree.c (build_range_type_1): Do not set TYPE_STRUCTURAL_EQUALITY_P because of self-referential bounds. From-SVN: r167297 --- gcc/ChangeLog | 5 +++++ gcc/tree.c | 6 ++++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a6099b82c738..0a325cef2193 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-11-30 Eric Botcazou + + * tree.c (build_range_type_1): Do not set TYPE_STRUCTURAL_EQUALITY_P + because of self-referential bounds. + 2010-11-30 Joseph Myers * diagnostic-core.h: Include bversion.h. diff --git a/gcc/tree.c b/gcc/tree.c index 2f8d96ef4a20..d9a98f114391 100644 --- a/gcc/tree.c +++ b/gcc/tree.c @@ -7110,9 +7110,11 @@ 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) + && TREE_CODE (TYPE_MIN_VALUE (itype)) != INTEGER_CST + && !CONTAINS_PLACEHOLDER_P (TYPE_MIN_VALUE (itype))) || (TYPE_MAX_VALUE (itype) - && TREE_CODE (TYPE_MAX_VALUE (itype)) != INTEGER_CST)) + && TREE_CODE (TYPE_MAX_VALUE (itype)) != INTEGER_CST + && !CONTAINS_PLACEHOLDER_P (TYPE_MAX_VALUE (itype)))) { /* Since we cannot reliably merge this type, we need to compare it using structural equality checks. */ -- 2.47.2