[PATCH] testsuite: opt: Fix const7.C for RISC-V.

[jiawei]

Similar to patch 593993, RISC-V needs to limit symbols send in sdata.
Thanks for Palmer's help.

gcc/testsuite/ChangeLog:

        * g++.dg/opt/const7.C: Don't use small data on RISC-V.

---
 gcc/testsuite/g++.dg/opt/const7.C | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/testsuite/g++.dg/opt/const7.C 
b/gcc/testsuite/g++.dg/opt/const7.C
index 5bcf94897a8..50d902beae1 100644
--- a/gcc/testsuite/g++.dg/opt/const7.C
+++ b/gcc/testsuite/g++.dg/opt/const7.C
@@ -1,6 +1,7 @@
 // PR c++/104142
 // { dg-do compile { target c++11 } }
 // { dg-additional-options -Wunused-variable }
+// { dg-options "-msmall-data-limit=0" { target { riscv*-*-* } } }
 
 struct B { B()=default; };
 static const B b_var;          //  { dg-bogus "" }
-- 
2.25.1