https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64497
Sergey Zubkov <cubbi at cubbi dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |cubbi at cubbi dot org --- Comment #5 from Sergey Zubkov <cubbi at cubbi dot org> --- FYI, cppreference got that phrasing from POSIX's "If the correct value would cause underflow, and is representable, a range error may occur and the correct value shall be returned.", which is a part of its optional IEC 60559 Floating-Point extension to the C standard: http://pubs.opengroup.org/onlinepubs/9699919799/functions/scalbln.html