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9.1.1-1

This commit is contained in:
Jakub Jelinek 2019-05-03 14:30:20 +02:00
parent 94498d7104
commit 672c273c6d
1 changed files with 39 additions and 0 deletions
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gcc9-pr90303.patch Normal file
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2019-05-03 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/90303
* ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
* g++.target/i386/pr90303.C: New test.
--- gcc/ipa-devirt.c (revision 270834)
+++ gcc/ipa-devirt.c (revision 270835)
@@ -2020,7 +2020,7 @@ obj_type_ref_class (const_tree ref)
ref = TREE_VALUE (TYPE_ARG_TYPES (ref));
gcc_checking_assert (TREE_CODE (ref) == POINTER_TYPE);
tree ret = TREE_TYPE (ref);
- if (!in_lto_p)
+ if (!in_lto_p && !TYPE_STRUCTURAL_EQUALITY_P (ret))
ret = TYPE_CANONICAL (ret);
else
ret = get_odr_type (ret)->type;
@@ -2042,7 +2042,7 @@ get_odr_type (tree type, bool insert)
int base_id = -1;
type = TYPE_MAIN_VARIANT (type);
- if (!in_lto_p)
+ if (!in_lto_p && !TYPE_STRUCTURAL_EQUALITY_P (type))
type = TYPE_CANONICAL (type);
gcc_checking_assert (can_be_name_hashed_p (type)
--- gcc/testsuite/g++.target/i386/pr90303.C (nonexistent)
+++ gcc/testsuite/g++.target/i386/pr90303.C (revision 270835)
@@ -0,0 +1,8 @@
+// PR tree-optimization/90303
+// { dg-do compile { target ia32 } }
+// { dg-additional-options "-O2" }
+
+struct A { virtual void foo (); };
+template <class> class B : A {};
+typedef void (__attribute__((fastcall)) F) ();
+B<F> e;