Fix: do not allow array mult if object is a also a number.

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/foreign/TruffleObjectBuiltins.java

@@ -311,7 +311,7 @@ abstract static class MulNode extends ForeignBinaryNode {
             super(BinaryArithmetic.Mul.create(), false);
         }
 
-        @Specialization(insertBefore = "doComparisonBool", guards = {"lib.hasArrayElements(left)", "lib.fitsInInt(right)"})
+        @Specialization(insertBefore = "doComparisonBool", guards = {"!lib.isNumber(left)", "lib.hasArrayElements(left)", "lib.fitsInInt(right)"})
         static Object doForeignArray(Object left, Object right,
                         @Cached PRaiseNode raise,
                         @Cached PythonObjectFactory factory,
@@ -341,7 +341,7 @@ static Object doForeignArray(Object left, Object right,
             }
         }
 
-        @Specialization(insertBefore = "doComparisonBool", guards = {"lib.hasArrayElements(left)", "lib.isBoolean(right)"})
+        @Specialization(insertBefore = "doComparisonBool", guards = {"!lib.isNumber(left)", "lib.hasArrayElements(left)", "lib.isBoolean(right)"})
         static Object doForeignArrayForeignBoolean(Object left, Object right,
                         @Cached PRaiseNode raise,
                         @Cached PythonObjectFactory factory,
@@ -355,7 +355,7 @@ static Object doForeignArrayForeignBoolean(Object left, Object right,
         }
 
         @SuppressWarnings("unused")
-        @Specialization(insertBefore = "doGeneric", guards = {"lib.hasArrayElements(left)", "isNegativeNumber(lib, right)"})
+        @Specialization(insertBefore = "doGeneric", guards = {"!lib.isNumber(left)", "lib.hasArrayElements(left)", "isNegativeNumber(lib, right)"})
         static Object doForeignArrayNegativeMult(Object left, Object right,
                         @Cached PythonObjectFactory factory,
                         @CachedLibrary(limit = "3") InteropLibrary lib) {