riscv64: add missing UNUSED annotations.

The code compiles on other architectures that implement JNI compiler,
because they use these variables. However the code won't compile for
RISC-V as it falls into the default (unsupported) case.

Test: lunch aosp_riscv64-userdebug && m dist

Change-Id: I16010e806fe6c51fb0a7a20111e0d1feefde018c

1 files changed, 3 insertions, 0 deletions

diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index dbf247cd64..db39ff98c3 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -568,6 +568,9 @@ bool OptimizingCompiler::RunArchOptimizations(HGraph* graph,
     }
 #endif
     default:
+      UNUSED(graph);
+      UNUSED(dex_compilation_unit);
+      UNUSED(pass_observer);
       return false;
   }
 }