Misra: Fix FP, rule 15.6

addons/misra-test.c

@@ -169,9 +169,12 @@ int misra_15_5() {
 void misra_15_6() {
   if (x!=0); // 15.6
   else{}
-#if A
+
+#if A>1  // no-warning
   (void)0;
 #endif
+
+  do {} while (x<0); // no-warning
 }
 
 void misra_15_7() {

addons/misra.py

@@ -641,7 +641,9 @@ def misra_15_6(rawTokens):
     tok1 = None
     for token in rawTokens:
         if token.str in ['if', 'for', 'while']:
-            if token.previous and token.previous.str == '#':
+            if simpleMatch(token.previous, '# if'):
+                continue
+            if simpleMatch(token.previous, "} while"):
                 continue
             state = 1
             indent = 0