[clang-repl] Disable InterpreterExceptionTest on RISC-V

This test fails as .eh_frame handling is not yet implemented for RISC-V
in JITLink. llvm#66067 is proposed to address this.

Skip the test until the issue is resolved. It seems that D159167
enabled this test for more than just ppc64.

Author: asb

clang/unittests/Interpreter/ExceptionTests/InterpreterExceptionTest.cpp

@@ -122,6 +122,11 @@ extern "C" int throw_exception() {
                               Triple.getArch() == llvm::Triple::aarch64_32))
     GTEST_SKIP();
 
+  // FIXME: RISC-V fails as .eh_frame handling is not yet implemented in
+  // JITLink for RISC-V. See PR #66067.
+  if (Triple.isRISCV())
+    GTEST_SKIP();
+
   llvm::cantFail(Interp->ParseAndExecute(ExceptionCode));
   testing::internal::CaptureStdout();
   auto ThrowException =