[Bug tree-optimization/113224] Warning "is used uninitialized" raised for an initialized variable

[gandalf at winds dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113224

--- Comment #3 from gandalf at winds dot org ---
Thank you for the suggestion. I'll try the union.

[Bug tree-optimization/113224] Warning "is used uninitialized" raised for an initialized variable

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113224

--- Comment #2 from Andrew Pinski  ---
>In an attempt to convert a float value bytewise to an integer,

You should use memcpy instead (or an union which itself a GCC extension).

[Bug tree-optimization/113224] Warning "is used uninitialized" raised for an initialized variable

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113224

Andrew Pinski  changed:

   What|Removed |Added

   Keywords||diagnostic
 Resolution|--- |INVALID
 Status|UNCONFIRMED |RESOLVED

--- Comment #1 from Andrew Pinski  ---
This code is undefined for violating C/C++ aliasing rules.
The warning is because of the undefinedness of the code.