Handle string literalt to char* conversion

Author: lucic71

cpp2rust/converter/converter.cpp

@@ -1756,6 +1756,9 @@ bool Converter::VisitImplicitCastExpr(clang::ImplicitCastExpr *expr) {
   }
   case clang::CastKind::CK_NoOp: {
     Convert(sub_expr);
+    if (IsConversionFromStringLiteralToCharPtr(expr)) {
+      StrCat(".cast_mut()");
+    }
     break;
   }
   case clang::CastKind::CK_FunctionToPointerDecay:

cpp2rust/converter/converter_lib.h

@@ -170,5 +170,4 @@ void Unwrap(std::string &s, std::string_view prefix, std::string_view suffix);
 
 std::string ReplaceAll(std::string str, std::string_view from,
                        std::string_view to);
-
 } // namespace cpp2rust

cpp2rust/converter/models/converter_refcount.cpp

@@ -1035,6 +1035,11 @@ bool ConverterRefCount::VisitImplicitCastExpr(clang::ImplicitCastExpr *expr) {
     return false;
   }
 
+  if (expr->getCastKind() == clang::CastKind::CK_NoOp) {
+    Convert(sub_expr);
+    return false;
+  }
+
   return Converter::VisitImplicitCastExpr(expr);
 }