Francois-Xavier Coudert 76b88c5fc9 re PR libfortran/67527 (io.h sanitizer complains on 1 << 31)
PR libfortran/67527
	PR libfortran/67535
	PR libfortran/67536
	* io/io.h: Use unsigned values for 31-bit left shifts.
	* io/unix.c (buf_read): Do not call memcpy() with NULL pointer arg.
	* io/write.c (nml_write_obj): Likewise.

From-SVN: r227705
2015-09-12 12:05:44 +00:00
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