[cfe-users] Is there a way to make clang warn on this code?

Quentin Colombet qcolombet at apple.com
Fri Mar 14 09:20:16 PDT 2014


I recently found a non-deterministic behavior in my application that was due to a missing field initialization.
Here is a snippet of the actual problem:

struct foo {
  foo() {}; // <— bar is not initialized here.
  int getBar() const {
    return bar; // <— this returns an uninitialized value.
  int bar;

I’ve compiled the attached cpp file that contains this snippet with -Wall -Wextra -Wuninitialized, but no warning is issued (trunk 203678).
Is there an option to make clang warn about that?

If not, should I file a PR?

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