[PATCH, testsuite] Require alias support in three tests.

[Iain Sandoe]

Hi,

These three tests fail on targets without alias support,

OK to apply?

Iain


gcc/testsuite/

        * gcc.dg/Wmissing-attributes.c: Require alias support.
        * gcc.dg/attr-copy-2.c: Likewise.
        * gcc.dg/attr-copy-5.c: Likewise.
---
 gcc/testsuite/gcc.dg/Wmissing-attributes.c | 1 +
 gcc/testsuite/gcc.dg/attr-copy-2.c         | 1 +
 gcc/testsuite/gcc.dg/attr-copy-5.c         | 1 +
 3 files changed, 3 insertions(+)

diff --git a/gcc/testsuite/gcc.dg/Wmissing-attributes.c 
b/gcc/testsuite/gcc.dg/Wmissing-attributes.c
index 2a981828a2..049a4c095b 100644
--- a/gcc/testsuite/gcc.dg/Wmissing-attributes.c
+++ b/gcc/testsuite/gcc.dg/Wmissing-attributes.c
@@ -1,5 +1,6 @@
 /* PR middle-end/81824 - Warn for missing attributes with function aliases
    { dg-do compile }
+   { dg-require-alias "" }
    { dg-options "-Wall" } */
 
 #define ATTR(list)   __attribute__ (list)
diff --git a/gcc/testsuite/gcc.dg/attr-copy-2.c 
b/gcc/testsuite/gcc.dg/attr-copy-2.c
index 39e5f087de..8564811fc0 100644
--- a/gcc/testsuite/gcc.dg/attr-copy-2.c
+++ b/gcc/testsuite/gcc.dg/attr-copy-2.c
@@ -1,6 +1,7 @@
 /* PR middle-end/81824 - Warn for missing attributes with function aliases
    Exercise attribute copy for functions.
    { dg-do compile }
+   { dg-require-alias "" }
    { dg-options "-O2 -Wall" } */
 
 #define Assert(expr)   typedef char AssertExpr[2 * !!(expr) - 1]
diff --git a/gcc/testsuite/gcc.dg/attr-copy-5.c 
b/gcc/testsuite/gcc.dg/attr-copy-5.c
index b085cf968a..24cd6e7aa7 100644
--- a/gcc/testsuite/gcc.dg/attr-copy-5.c
+++ b/gcc/testsuite/gcc.dg/attr-copy-5.c
@@ -3,6 +3,7 @@
    copied.  Also verify that copying attribute tls_model to a non-thread
    variable triggers a warning.
    { dg-do compile }
+   { dg-require-alias "" }
    { dg-options "-Wall" }
    { dg-require-effective-target tls } */
 
-- 
2.17.1