Getting Started with MPLAB XC8 Compiler v2.05 (Free Download Guide)
MPLAB X v6.00+ dropped direct support for XC8 v2.05 due to a change from gcc to clang backend. Solution: Use MPLAB X v5.35 (available in the archive) with XC8 v2.05. Do not try to force v2.05 into v6.x. mplab xc8 compiler v2 05 download free
Features of MPLAB XC8 Compiler v2.05:
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