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authorJason Merrill <jason@yorick.cygnus.com>1998-04-03 12:17:58 +0000
committerJason Merrill <jason@gcc.gnu.org>1998-04-03 07:17:58 -0500
commitb3e401c25a949e00ea3a77a508d3a33142f139e2 (patch)
tree3db835b5eec1bdb109338f53bf3dc77fd46eb6aa /gcc/cp
parent9a71c18b28efc85365b4a221558d748ec6582794 (diff)
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* decl.c (cplus_expand_expr_stmt): Strip unused INDIRECT_REFs.
From-SVN: r18974
Diffstat (limited to 'gcc/cp')
-rw-r--r--gcc/cp/ChangeLog2
-rw-r--r--gcc/cp/decl.c6
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 7610185..b02f2bb 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,7 @@
Fri Apr 3 02:22:59 1998 Jason Merrill <jason@yorick.cygnus.com>
+ * decl.c (cplus_expand_expr_stmt): Strip unused INDIRECT_REFs.
+
Re-implement allocation of base class subobjects.
* tree.c (unshare_base_binfos): New fn.
(layout_basetypes): Use it. Now handles offsets of both virtual and
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 3a75da7..e891613 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -12886,6 +12886,12 @@ cplus_expand_expr_stmt (exp)
libg++ to miscompile, and tString to core dump. */
exp = build1 (CLEANUP_POINT_EXPR, TREE_TYPE (exp), exp);
#endif
+
+ /* Strip unused implicit INDIRECT_REFs of references. */
+ if (TREE_CODE (exp) == INDIRECT_REF
+ && TREE_CODE (TREE_TYPE (TREE_OPERAND (exp, 0))) == REFERENCE_TYPE)
+ exp = TREE_OPERAND (exp, 0);
+
/* If we don't do this, we end up down inside expand_expr
trying to do TYPE_MODE on the ERROR_MARK, and really
go outside the bounds of the type. */