invoke.texi (Optimize Options): Add anchor for the type-punning blurb.
* doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
anchor for the type-punning blurb. Cross-reference "Structures
unions enumerations and bit-fields implementation". Provide a
cast-through-pointer example. Make final sentence self-contained.
* doc/implement-c.texi (Structures unions enumerations and
bit-fields implementation): Cross-reference the type-punning blurb
in the -fstrict-aliasing documentation.
From-SVN: r137095