[pushed] testsuite: fix g++.dg/template/explicit-args6.C

[Marek Polacek]

Tested x86_64-pc-linux-gnu, applying to trunk.

-- >8 --
gcc/testsuite/ChangeLog:

        * g++.dg/template/explicit-args6.C: Remove an extra set of {} in
        a dg-message.
---
 gcc/testsuite/g++.dg/template/explicit-args6.C | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/g++.dg/template/explicit-args6.C 
b/gcc/testsuite/g++.dg/template/explicit-args6.C
index 6e8ec38d13f..18663d7bcf9 100644
--- a/gcc/testsuite/g++.dg/template/explicit-args6.C
+++ b/gcc/testsuite/g++.dg/template/explicit-args6.C
@@ -20,7 +20,7 @@ constexpr unsigned
 frob()
 {
   static_assert(N == 1, "user-friendly diagnostic"); // { dg-error 
"user-friendly" }
-  // { dg-message { "-1 == 1" "" { target *-*-* } .-1 } }
+  // { dg-message "-1 == 1" "" { target *-*-* } .-1 }
 
   // narrowing check, reject negative values
   return unsigned{N};          // { dg-prune-output "narrowing" }

base-commit: 1c5c57092cf23ac6eae139627d2406f67fe3303b
-- 
2.49.0