[build] Fix a clang warning

test/cctest/test-reloc-info.cc

Index: test/cctest/test-reloc-info.cc
diff --git a/test/cctest/test-reloc-info.cc b/test/cctest/test-reloc-info.cc
index 4346f0083ecb467f3eb71196925beb6f3aa5b7f5..7ddc44bba01cd4bdad42ea695a6d62bbdbc891f3 100644
--- a/test/cctest/test-reloc-info.cc
+++ b/test/cctest/test-reloc-info.cc
@@ -57,9 +57,9 @@ TEST(Positions) {
     RelocInfo::Mode mode = (i % 2 == 0) ?
         RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION;
     if (mode == RelocInfo::STATEMENT_POSITION) {
-      printf("TEST WRITING STATEMENT %p %d\n", pc, pos);
+      printf("TEST WRITING STATEMENT %p %d\n", static_cast<void*>(pc), pos);
     } else {
-      printf("TEST WRITING POSITION %p %d\n", pc, pos);
+      printf("TEST WRITING POSITION %p %d\n", static_cast<void*>(pc), pos);
     }
     WriteRinfo(&writer, pc, mode, pos);
     CHECK(writer.pos() - RelocInfoWriter::kMaxSize >= relocation_info_end);