Fix #12452 ( False positive on Misra 10.6 for ternary operator ) (#6012)

the ternary operator condition, while checking for composite expression,
wasn't being executed.

addons/misra.py

@@ -430,11 +430,11 @@ def is_composite_expr(expr, composite_operator=False):
         return False
 
     if not composite_operator:
-        if (expr.str in ('+', '-', '*', '/', '%', '&', '|', '^', '>>', "<<", "?", ":", '~')):
-            return is_composite_expr(expr.astOperand1,True) or is_composite_expr(expr.astOperand2, True)
         if expr.str == '?' and simpleMatch(expr.astOperand2, ':'):
             colon = expr.astOperand2
             return is_composite_expr(colon.astOperand1,True) or is_composite_expr(colon.astOperand2, True)
+        if (expr.str in ('+', '-', '*', '/', '%', '&', '|', '^', '>>', "<<", "?", ":", '~')):
+            return is_composite_expr(expr.astOperand1,True) or is_composite_expr(expr.astOperand2, True)
         return False
 
     # non constant expression?

addons/test/misra/misra-test.c

@@ -769,6 +769,7 @@ struct misra_10_6_s {
 static void misra_10_6(u8 x, char c1, char c2) {
   u16 y1 = x+x; // 10.6
   u16 y2 = (0x100u - 0x80u); // rhs is not a composite expression because it's a constant expression
+  int b = (y2 == y2) ? 0 : 1; // no-warning
   u16 z = ~u8 x ;//10.6
   s32 i = c1 - c2; // 10.3
   struct misra_10_6_s s;