MISRA Rule 11.6 will no longer report violation on '(void)p;' (#1272)

Author: hcorg

addons/misra.py

@@ -901,7 +901,7 @@ def misra_11_6(data):
             continue
         if vt1.pointer == 1 and vt1.type == 'void' and vt2.pointer == 0 and token.astOperand1.str != "0":
             reportError(token, 11, 6)
-        elif vt1.pointer == 0 and vt2.pointer == 1 and vt2.type == 'void':
+        elif vt1.pointer == 0 and vt1.type != 'void' and vt2.pointer == 1 and vt2.type == 'void':
             reportError(token, 11, 6)
 
 

addons/test/misra-test.c

@@ -196,9 +196,10 @@ void misra_11_5(void *p) {
 
 void misra_11_6() {
   void *p;
-  p = (void*)123; // 11.6
-  x = (u64)p;     // 11.6
-  p = ( void * )0 // no-warning
+  p = (void*)123;  // 11.6
+  x = (u64)p;      // 11.6
+  p = ( void * )0; // no-warning
+  (void)p;         // no-warning
 }