1. 2017-12-01 [Bug libgcc/83112] Silence warnings from PowerPC libg gcc-bugs meissner at gcc do 2. 2017-11-30 [Bug libgcc/83112] Silence warnings from PowerPC libg gcc-bugs meissner at gcc do 3. 2017-11-30 [Bug libgcc/83112] Silence warnings from PowerPC libg gcc-bugs meissner at gcc do 4. 2017-11-22 [Bug libgcc/83112] Silence warnings from PowerPC libg gcc-bugs meissner at gcc do