GNU General Public License v2.0 w/GCC Runtime Library exception
['https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/libgcc1.c;h=762f5143fc6eed57b6797c82710f3538aa52b40b;hb=cb143a3ce4fb417c68f5fa2691a1b1b1053dfba9#l10']