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Diffstat (limited to 'gcc/cp/class.c')
| -rw-r--r-- | gcc/cp/class.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/cp/class.c b/gcc/cp/class.c index b3787f7..5340799 100644 --- a/gcc/cp/class.c +++ b/gcc/cp/class.c @@ -6705,6 +6705,10 @@ layout_class_type (tree t, tree *virtuals_p) /* If we didn't end up needing an as-base type, don't use it. */ if (CLASSTYPE_AS_BASE (t) != t + /* If T's CLASSTYPE_AS_BASE is TYPE_USER_ALIGN, but T is not, + replacing the as-base type would change CLASSTYPE_USER_ALIGN, + causing us to lose the user-specified alignment as in PR94050. */ + && TYPE_USER_ALIGN (t) == TYPE_USER_ALIGN (CLASSTYPE_AS_BASE (t)) && tree_int_cst_equal (TYPE_SIZE (t), TYPE_SIZE (CLASSTYPE_AS_BASE (t)))) CLASSTYPE_AS_BASE (t) = t; |