[committed] Require target lto in several tests

[John David Anglin]

Tested on hppa64-hp-hpux11.11 with lto disabled.  Committed to trunk.

Dave
---

Require target lto in several tests

2024-01-16  John David Anglin  <dang...@gcc.gnu.org>

gcc/testsuite/ChangeLog:

        * gcc.dg/c23-tag-alias-2.c: Require target lto.
        * gcc.dg/c23-tag-alias-3.c: Likewise.
        * gcc.dg/gnu23-tag-alias-3.c: Likewise.
        * gcc.dg/scantest-lto.c: Likewise.

diff --git a/gcc/testsuite/gcc.dg/c23-tag-alias-2.c 
b/gcc/testsuite/gcc.dg/c23-tag-alias-2.c
index 64ff67d8552..1a4097b629d 100644
--- a/gcc/testsuite/gcc.dg/c23-tag-alias-2.c
+++ b/gcc/testsuite/gcc.dg/c23-tag-alias-2.c
@@ -1,4 +1,4 @@
-/* { dg-do run }
+/* { dg-do run { target lto } }
  * { dg-options "-std=c23 -flto -O2" }
  */
 
diff --git a/gcc/testsuite/gcc.dg/c23-tag-alias-3.c 
b/gcc/testsuite/gcc.dg/c23-tag-alias-3.c
index b9fe6f3b407..76bc4dfcd23 100644
--- a/gcc/testsuite/gcc.dg/c23-tag-alias-3.c
+++ b/gcc/testsuite/gcc.dg/c23-tag-alias-3.c
@@ -1,4 +1,4 @@
-/* { dg-do run }
+/* { dg-do run { target lto } }
  * { dg-options "-std=c23 -O2" }
  */
 
diff --git a/gcc/testsuite/gcc.dg/gnu23-tag-alias-3.c 
b/gcc/testsuite/gcc.dg/gnu23-tag-alias-3.c
index c2fd4e930ef..9d7e7e11c7f 100644
--- a/gcc/testsuite/gcc.dg/gnu23-tag-alias-3.c
+++ b/gcc/testsuite/gcc.dg/gnu23-tag-alias-3.c
@@ -1,4 +1,4 @@
-/* { dg-do run }
+/* { dg-do run { target lto } }
  * { dg-options "-std=gnu23 -flto -O2" }
  */
 
diff --git a/gcc/testsuite/gcc.dg/scantest-lto.c 
b/gcc/testsuite/gcc.dg/scantest-lto.c
index 5f8abaf77f3..46c21f20bfc 100644
--- a/gcc/testsuite/gcc.dg/scantest-lto.c
+++ b/gcc/testsuite/gcc.dg/scantest-lto.c
@@ -1,3 +1,4 @@
+/* { dg-do compile { target lto } }
 /* { dg-options "-O2 -flto" } */
 
 void foo ()

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