diff --git a/gcc/testsuite/c-c++-common/attr-aligned-1.c b/gcc/testsuite/c-c++-common/attr-aligned-1.c
index 671e86baeb60..26b62393ac0a 100644
--- a/gcc/testsuite/c-c++-common/attr-aligned-1.c
+++ b/gcc/testsuite/c-c++-common/attr-aligned-1.c
@@ -17,8 +17,8 @@ main ()
 }
 
 #if defined(__cplusplus) && __cplusplus >= 201103L
-static_assert (alignof (S) == 2 * alignof (double), "alignment of S");
-static_assert (alignof (T) == 2 * alignof (double), "alignment of T");
-static_assert (alignof (const S) == 2 * alignof (double), "alignment of const S");
-static_assert (alignof (const T) == 2 * alignof (double), "alignment of const T");
+static_assert (alignof (S) == 2 * __alignof__ (double), "alignment of S");
+static_assert (alignof (T) == 2 * __alignof__ (double), "alignment of T");
+static_assert (alignof (const S) == 2 * __alignof__ (double), "alignment of const S");
+static_assert (alignof (const T) == 2 * __alignof__ (double), "alignment of const T");
 #endif
diff --git a/gcc/testsuite/g++.dg/cpp0x/alignas4.C b/gcc/testsuite/g++.dg/cpp0x/alignas4.C
index baa56eb8ac51..b66fa651bc2c 100644
--- a/gcc/testsuite/g++.dg/cpp0x/alignas4.C
+++ b/gcc/testsuite/g++.dg/cpp0x/alignas4.C
@@ -1,6 +1,7 @@
 // PR c++/59012
 // { dg-do compile { target c++11 } }
-// { dg-final { scan-assembler "align 8" { target { { i?86-*-* x86_64-*-* } && { ! *-*-darwin* } } } } }
+// { dg-final { scan-assembler "align 8" { target { { i?86-*-* x86_64-*-* } && { { ! ia32 } && { ! *-*-darwin* } } } } } }
+// { dg-final { scan-assembler "align 4" { target ia32 } } }
 
 template <class... T>
 struct A