Fix undefined modulus in ExpressionParser

src/compiler/preprocessor/ExpressionParser.cpp

@@ -500,7 +500,7 @@ static const yytype_uint16 yyrline[] =
 {
        0,   108,   108,   115,   116,   127,   127,   148,   148,   169,
      172,   175,   178,   181,   184,   187,   190,   193,   196,   221,
-     246,   249,   252,   272,   299,   302,   305,   308,   320,   323
+     246,   249,   252,   278,   305,   308,   311,   314,   326,   329
 };
 #endif
 
@@ -1583,6 +1583,12 @@ yyreduce:
             }
             (yyval) = static_cast<YYSTYPE>(0);
         }
+        else if (((yyvsp[-2]) == std::numeric_limits<YYSTYPE>::min()) && ((yyvsp[0]) == -1))
+        {
+            // Check for the special case where the minimum representable number is
+            // divided by -1. If left alone this has undefined results.
+            (yyval) = 0;
+        }
         else
         {
             (yyval) = (yyvsp[-2]) % (yyvsp[0]);
@@ -1608,7 +1614,7 @@ yyreduce:
             }
             (yyval) = static_cast<YYSTYPE>(0);
         }
-        else if ((yyvsp[-2]) == std::numeric_limits<YYSTYPE>::min() && (yyvsp[0]) == -1)
+        else if (((yyvsp[-2]) == std::numeric_limits<YYSTYPE>::min()) && ((yyvsp[0]) == -1))
         {
             // Check for the special case where the minimum representable number is
             // divided by -1. If left alone this leads to integer overflow in C++, which

src/compiler/preprocessor/ExpressionParser.y

@@ -264,6 +264,12 @@ expression
             }
             $$ = static_cast<YYSTYPE>(0);
         }
+        else if (($1 == std::numeric_limits<YYSTYPE>::min()) && ($3 == -1))
+        {
+            // Check for the special case where the minimum representable number is
+            // divided by -1. If left alone this has undefined results.
+            $$ = 0;
+        }
         else
         {
             $$ = $1 % $3;
@@ -284,7 +290,7 @@ expression
             }
             $$ = static_cast<YYSTYPE>(0);
         }
-        else if ($1 == std::numeric_limits<YYSTYPE>::min() && $3 == -1)
+        else if (($1 == std::numeric_limits<YYSTYPE>::min()) && ($3 == -1))
         {
             // Check for the special case where the minimum representable number is
             // divided by -1. If left alone this leads to integer overflow in C++, which