8295469: S390X: Optimized builds are broken

Backport-of: 7b2e83b3955c034208325ea5477afd3c5e1da41a

Author: shipilev

src/hotspot/cpu/s390/assembler_s390.cpp

@@ -139,7 +139,7 @@ Assembler::branch_condition Assembler::inverse_float_condition(Assembler::branch
   return inverse_cc;
 }
 
-#ifdef ASSERT
+#ifndef PRODUCT
 void Assembler::print_dbg_msg(outputStream* out, unsigned long inst, const char* msg, int ilen) {
   out->flush();
   switch (ilen) {

src/hotspot/cpu/s390/interp_masm_s390.hpp

@@ -164,7 +164,7 @@ class InterpreterMacroAssembler: public MacroAssembler {
 
   // Accessors to the template interpreter state.
 
-  void asm_assert_ijava_state_magic(Register tmp) PRODUCT_RETURN;
+  void asm_assert_ijava_state_magic(Register tmp) NOT_DEBUG_RETURN;
 
   void save_bcp();