PPC: [build] Fix a clang warning

Port a23222ed

Original commit message:

    For cross-compiler-compatibility and standards compliance %p
    requires a void*, rather than any pointer type.

R=machenbach@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, mbrandy@us.ibm.com

BUG=chromium:474921
LOG=N

Review-Url: https://codereview.chromium.org/2009653002
Cr-Commit-Position: refs/heads/master@{#36519}

src/ppc/simulator-ppc.cc

@@ -1284,15 +1284,18 @@ void Simulator::SoftwareInterrupt(Instruction* instr) {
             case ExternalReference::BUILTIN_FP_FP_CALL:
             case ExternalReference::BUILTIN_COMPARE_CALL:
               PrintF("Call to host function at %p with args %f, %f",
-                     FUNCTION_ADDR(generic_target), dval0, dval1);
+                     static_cast<void*>(FUNCTION_ADDR(generic_target)),
+                     dval0, dval1);
               break;
             case ExternalReference::BUILTIN_FP_CALL:
               PrintF("Call to host function at %p with arg %f",
-                     FUNCTION_ADDR(generic_target), dval0);
+                     static_cast<void*>(FUNCTION_ADDR(generic_target)),
+                     dval0);
               break;
             case ExternalReference::BUILTIN_FP_INT_CALL:
               PrintF("Call to host function at %p with args %f, %" V8PRIdPTR,
-                     FUNCTION_ADDR(generic_target), dval0, ival);
+                     static_cast<void*>(FUNCTION_ADDR(generic_target)),
+                     dval0, ival);
               break;
             default:
               UNREACHABLE();
@@ -1434,8 +1437,8 @@ void Simulator::SoftwareInterrupt(Instruction* instr) {
               "Call to host function at %p,\n"
               "\t\t\t\targs %08" V8PRIxPTR ", %08" V8PRIxPTR ", %08" V8PRIxPTR
               ", %08" V8PRIxPTR ", %08" V8PRIxPTR ", %08" V8PRIxPTR,
-              FUNCTION_ADDR(target), arg[0], arg[1], arg[2], arg[3], arg[4],
-              arg[5]);
+              static_cast<void*>(FUNCTION_ADDR(target)), arg[0], arg[1],
+              arg[2], arg[3], arg[4], arg[5]);
           if (!stack_aligned) {
             PrintF(" with unaligned stack %08" V8PRIxPTR "\n",
                    get_register(sp));