--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.target/powerpc/pr94707-4.C	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,34 @@
+// PR target/94707
+// { dg-do compile { target powerpc_elfv2 } }
+// { dg-options "-O2 -std=c++17" }
+// Test that for no calls in this testcase the C++17 empty base
+// artificial fields and [[no_unique_address]] empty class non-static
+// data members are ignored in the decision about passing homogeneous
+// arguments.
+// { dg-final { scan-assembler-not {(?n)^\s+lfs\s+(?:%f)?4,} } }
+
+struct X { };
+struct Y { int : 0; };
+struct Z { int : 0; Y y; };
+struct U : public X { X q; };
+struct A { float a, b, c, d; };
+struct B : public X { float a, b, c, d; };
+struct C : public Y { float a, b, c, d; };
+struct D : public Z { float a, b, c, d; };
+struct E : public U { float a, b, c, d; };
+struct F { [[no_unique_address]] X x; float a, b, c, d; };
+struct G { [[no_unique_address]] Y y; float a, b, c, d; };
+struct H { [[no_unique_address]] Z z; float a, b, c, d; };
+struct I { [[no_unique_address]] U u; float a, b, c, d; };
+struct J { float a, b; [[no_unique_address]] X x; float c, d; };
+struct K { float a, b; [[no_unique_address]] Y y; float c, d; };
+struct L { float a, b; [[no_unique_address]] Z z; float c, d; };
+struct M { float a, b; [[no_unique_address]] U u; float c, d; };
+#define T(S, s) extern S s; extern void foo##s (S); int bar##s () { foo##s (s); return 0; }
+// { dg-bogus "parameter passing for argument of type" }
+T (D, d)
+T (E, e)
+T (H, h)
+T (I, i)
+T (L, l)
+T (M, m)