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[RFA] require profiling support for gcc.dg/lto/20100430-1_0.c test


This test currently fails unexpectedly if GCC is configured with
--disable-gcov, because it requires -fprofile-arcs. This patch
fixes the issue by requiring profiling support in order to run
this test.

Tested with two compilers, one built with --disable-gcov, resulting
in the test reporting an UNSUPPORTED result; and one built with gcov
support, resulting in 2 PASS tests.


        * gcc.dg/lto/20100430-1_0.c: Add dg-require-profiling requirement.

OK to push?

Thank you,

 gcc/testsuite/gcc.dg/lto/20100430-1_0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/testsuite/gcc.dg/lto/20100430-1_0.c b/gcc/testsuite/gcc.dg/lto/20100430-1_0.c
index 1ccfc9ac1ca..c7dafac31af 100644
--- a/gcc/testsuite/gcc.dg/lto/20100430-1_0.c
+++ b/gcc/testsuite/gcc.dg/lto/20100430-1_0.c
@@ -1,6 +1,7 @@
 /* { dg-lto-do link } */
 /* { dg-lto-options {{-O2 -fprofile-arcs -flto -r -nostdlib}} } */
 /* { dg-extra-ld-options "-flinker-output=nolto-rel" } */
+/* { dg-require-profiling "-fprofile-arcs" } */

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