[Bug c/42935] warn if a binary operation is performed on a type but the result is then casted to a larger type

[manu at gcc dot gnu dot org]

------- Comment #4 from manu at gcc dot gnu dot org  2010-06-07 17:52 -------
  uint32_t bar;
  uint64_t foo;
  ...
  foo = bar << 20;

Is another testcase from PR 44420.


-- 

manu at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|2010-02-24 00:16:51         |2010-06-07 17:52:46
               date|                            |
            Summary|Warning "u64 = u32 * u32;" -|warn if a binary operation
                   |i.e. not casting one u32 to |is performed on a type but
                   |u64                         |the result is then casted to
                   |                            |a larger type


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42935