Codegen fails on comiling ifelse with scalar predicate

public final class TMP3 extends SpoofMultiAggregate { 
  public TMP3() {
    super(false, AggOp.SUM,AggOp.SUM);
  }
  protected void genexec(double a, SideInput[] b, double[] scalars, double[] c, int m, int n, int rix, int cix) { 
    double TMP0 = getValue(b[0], n, rix, cix);
    double TMP1 = (true != 0) ? a : TMP0;
    double TMP2 = (false != 0) ? a : TMP0;
    c[0] += TMP1;
    c[1] += TMP2;
  }
}

Caused by: org.apache.sysml.runtime.DMLRuntimeException: Failed to compile class codegen.TMP3.
	at org.apache.sysml.runtime.codegen.CodegenUtils.compileClassJanino(CodegenUtils.java:197)
	at org.apache.sysml.runtime.codegen.CodegenUtils.compileClass(CodegenUtils.java:82)
	at org.apache.sysml.hops.codegen.SpoofCompiler.optimize(SpoofCompiler.java:416)
	... 38 more
Caused by: org.codehaus.commons.compiler.CompileException: Line 15, Column 27: Cannot compare types "boolean" and "int"
	at org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:11004)
	at org.codehaus.janino.UnitCompiler.compileBoolean2(UnitCompiler.java:3612)
	at org.codehaus.janino.UnitCompiler.access$5600(UnitCompiler.java:206)
	at org.codehaus.janino.UnitCompiler$10.visitBinaryOperation(UnitCompiler.java:3330)
	at org.codehaus.janino.UnitCompiler$10.visitBinaryOperation(UnitCompiler.java:3324)
	at org.codehaus.janino.Java$BinaryOperation.accept(Java.java:4155)
	at org.codehaus.janino.UnitCompiler.compileBoolean(UnitCompiler.java:3324)
	at org.codehaus.janino.UnitCompiler.compileBoolean2(UnitCompiler.java:3624)
	at org.codehaus.janino.UnitCompiler.access$5700(UnitCompiler.java:206)
	at org.codehaus.janino.UnitCompiler$10.visitParenthesizedExpression(UnitCompiler.java:3359)
	at org.codehaus.janino.UnitCompiler$10.visitParenthesizedExpression(UnitCompiler.java:3324)
	at org.codehaus.janino.Java$ParenthesizedExpression.accept(Java.java:4205)
	at org.codehaus.janino.Java$Lvalue.accept(Java.java:3563)
	at org.codehaus.janino.UnitCompiler.compileBoolean(UnitCompiler.java:3324)
	at org.codehaus.janino.UnitCompiler.compileGet2(UnitCompiler.java:4073)
	at org.codehaus.janino.UnitCompiler.access$7200(UnitCompiler.java:206)
	at org.codehaus.janino.UnitCompiler$12.visitConditionalExpression(UnitCompiler.java:3771)
	at org.codehaus.janino.UnitCompiler$12.visitConditionalExpression(UnitCompiler.java:3762)
	at org.codehaus.janino.Java$ConditionalExpression.accept(Java.java:3877)
	at org.codehaus.janino.UnitCompiler.compileGet(UnitCompiler.java:3762)
	at org.codehaus.janino.UnitCompiler.compileGetValue(UnitCompiler.java:4933)
	at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2330)
	at org.codehaus.janino.UnitCompiler.access$2600(UnitCompiler.java:206)
	at org.codehaus.janino.UnitCompiler$6.visitLocalVariableDeclarationStatement(UnitCompiler.java:1386)
	at org.codehaus.janino.UnitCompiler$6.visitLocalVariableDeclarationStatement(UnitCompiler.java:1370)
	at org.codehaus.janino.Java$LocalVariableDeclarationStatement.accept(Java.java:2974)
	at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1370)
	at org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1450)
	at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:2811)
	at org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1262)
	at org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1234)
	at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:538)
	at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:420)
	at org.codehaus.janino.UnitCompiler.access$400(UnitCompiler.java:206)
	at org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:374)
	at org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:369)
	at org.codehaus.janino.Java$AbstractPackageMemberClassDeclaration.accept(Java.java:1309)
	at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:369)
	at org.codehaus.janino.UnitCompiler.compileUnit(UnitCompiler.java:345)
	at org.codehaus.janino.SimpleCompiler.compileToClassLoader(SimpleCompiler.java:396)
	at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:205)
	at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:196)
	at org.codehaus.commons.compiler.Cookable.cook(Cookable.java:91)
	at org.codehaus.commons.compiler.Cookable.cook(Cookable.java:84)
	at org.apache.sysml.runtime.codegen.CodegenUtils.compileClassJanino(CodegenUtils.java:186)