6ed686ee29
Assembler toolchains are moving from SP3 to LLVM. Replace trap handler source code with LLVM equivalent. Fix a trap issue with SQ_WAVE_IB_STS restore. Mostly harmless as all traps are currently considered fatal to the wavefront. Change-Id: Iacecd9dd31a1d96a083c8b8327f442f33c861f9f