xlC编译问题

我有个问题 aix上安装了新编译器 可是原来可以编译的程序突然出现了错误，错误信息如下

ld: 0711-768 WARNING: Object /home/sms/lib/libsmbp.a[base_convert.o], section 1, function .strncpy:
        The branch at address 0x1744 is not followed by a recognized no-op
        or TOC-reload instruction. The unrecognized instruction is 0x38610070.