build: silence GCC warning on Linux

LLDWrapPython.cpp is a generated file.  This contains a double assignment to the
same value, which causes GCC to emit a warning about sequence point evaluation
causing a use-before-init.  Simply silence the warning.

llvm-svn: 213575
GitOrigin-RevId: 0fb2f5d0f954d51df5a3f7414a8cfb9ad19fa4e1
1 file changed