Bug 1439004 - Fix build breakage when ENABLE_WASM_SATURATING_TRUNC_OPS is not defined. r=luke

js/src/wasm/WasmAST.h

@@ -1142,7 +1142,6 @@ class AstConversionOperator final : public AstExpr
     AstExpr* operand() const { return operand_; }
 };
 
-#ifdef ENABLE_WASM_SATURATING_TRUNC_OPS
 // Like AstConversionOperator, but for opcodes encoded with the Numeric prefix.
 class AstExtraConversionOperator final : public AstExpr
 {
@@ -1159,7 +1158,6 @@ class AstExtraConversionOperator final : public AstExpr
     NumericOp op() const { return op_; }
     AstExpr* operand() const { return operand_; }
 };
-#endif
 
 // This is an artificial AST node which can fill operand slots in an AST
 // constructed from parsing or decoding stack-machine code that doesn't have

js/src/wasm/WasmBinaryToText.cpp

@@ -1354,12 +1354,10 @@ RenderExpr(WasmRenderContext& c, AstExpr& expr, bool newLine /* = true */)
         if (!RenderConversionOperator(c, expr.as<AstConversionOperator>()))
             return false;
         break;
-#ifdef ENABLE_WASM_SATURATING_TRUNC_OPS
       case AstExprKind::ExtraConversionOperator:
         if (!RenderExtraConversionOperator(c, expr.as<AstExtraConversionOperator>()))
             return false;
         break;
-#endif
       case AstExprKind::Load:
         if (!RenderLoad(c, expr.as<AstLoad>()))
             return false;