[PowerPC] Use reportError

Report a proper error and fix de1dc9c

Author: MaskRay

llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFObjectWriter.cpp

@@ -145,9 +145,8 @@ unsigned PPCELFObjectWriter::getRelocType(MCContext &Ctx, const MCValue &Target,
       break;
     case PPC::fixup_ppc_half16ds:
     case PPC::fixup_ppc_half16dq:
-      Target.print(errs());
-      errs() << '\n';
-      report_fatal_error("Invalid PC-relative half16ds relocation");
+      Ctx.reportError(Loc, "unsupported relocation type");
+      break;
     case PPC::fixup_ppc_pcrel34:
       switch (Spec) {
       default:

llvm/test/MC/PowerPC/pr24686.s

@@ -10,5 +10,8 @@ addi 3, 3, foo@plt
 # CHECK: [[#@LINE+1]]:14: error: unsupported relocation type
 paddi 3, 13, foo@toc, 0
 
+# CHECK: [[#@LINE+1]]:15: error: unsupported relocation type
+ld %r5, p_end - .(%r5)
+
 # CHECK: [[#@LINE+1]]:7: error: unsupported relocation type
 .quad foo@toc