[Bug c/55967] rightshift an unsigned value (X) by it's number of bits does not always yield 0, when X is an unsigned that's leftshifted by it's number of bits and offset

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55967



--- Comment #5 from Marc Glisse <glisse at gcc dot gnu.org> 2013-01-15 16:38:36 
UTC ---

Note that clang has -fsanitize=shift which produces a runtime message every

time a >> is executed with an out of bounds argument.