The first argument is supposed to be a type, not a decl. Bootstrap & regtest running on x86_64-unknown-linux-gnu.
OK? PR c++/79786 gcc/cp/ * rtti.cc (emit_tinfo_decl): Fix DATA_ABI_ALIGNMENT invocation. --- gcc/cp/rtti.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gcc/cp/rtti.cc b/gcc/cp/rtti.cc index 2dfc2e3d7c5..dcf84f17163 100644 --- a/gcc/cp/rtti.cc +++ b/gcc/cp/rtti.cc @@ -1741,7 +1741,8 @@ emit_tinfo_decl (tree decl) /* Avoid targets optionally bumping up the alignment to improve vector instruction accesses, tinfo are never accessed this way. */ #ifdef DATA_ABI_ALIGNMENT - SET_DECL_ALIGN (decl, DATA_ABI_ALIGNMENT (decl, TYPE_ALIGN (TREE_TYPE (decl)))); + SET_DECL_ALIGN (decl, DATA_ABI_ALIGNMENT (TREE_TYPE (decl), + TYPE_ALIGN (TREE_TYPE (decl)))); DECL_USER_ALIGN (decl) = true; #endif return true; -- 2.43.0