Buffer overrun: Fix false negative

lib/checkbufferoverrun.cpp

@@ -1244,9 +1244,20 @@ void CheckBufferOverrun::checkGlobalAndLocalVariable()
             ArrayInfo arrayInfo(var, _tokenizer);
             const Token *tok = var->nameToken();
             while (tok && tok->str() != ";")
+            {
+                if (tok->str() == "{")
+                {
+                    if (Token::simpleMatch(tok->previous(), "= {"))
+                        tok = tok->link();
+                    else
+                        break;
+                }
                 tok = tok->next();
+            }
             if (!tok)
                 break;
+            if (tok->str() == "{")
+                tok = tok->next();
             checkScope(tok, arrayInfo);
         }
     }

test/testbufferoverrun.cpp

@@ -442,6 +442,15 @@ private:
                   "}\n");
             ASSERT_EQUALS("", errout.str());
         }
+
+        {
+            check("void foo(int a[10]) {\n"
+                  "    for (int i=0;i<50;++i) {\n"
+                  "        a[i] = 0;\n"
+                  "    }\n"
+                  "}");
+            ASSERT_EQUALS("[test.cpp:3]: (error) Buffer access out-of-bounds: a\n", errout.str());
+        }
     }
 
     void array_index_4()