linker: clarify comments in call_ifunc_resolvers().

Change-Id: I5a9b9d5ab9d1acdcd574f079edc79a1749f1905c
diff --git a/linker/linker_main.cpp b/linker/linker_main.cpp
index c0a68af..b1fa979 100644
--- a/linker/linker_main.cpp
+++ b/linker/linker_main.cpp
@@ -636,8 +636,8 @@
 }
 
 static void call_ifunc_resolvers() {
-  // Find the IRELATIVE relocations using the DT_JMPREL and DT_PLTRELSZ, or DT_RELA? and DT_RELA?SZ
-  // dynamic tags.
+  // Find the IRELATIVE relocations using the DT_JMPREL and DT_PLTRELSZ, or
+  // DT_RELA/DT_RELASZ (DT_REL/DT_RELSZ on ILP32).
   auto ehdr = reinterpret_cast<ElfW(Addr)>(&__ehdr_start);
   auto* phdr = reinterpret_cast<ElfW(Phdr)*>(ehdr + __ehdr_start.e_phoff);
   for (size_t i = 0; i != __ehdr_start.e_phnum; ++i) {
@@ -647,7 +647,7 @@
     auto *dyn = reinterpret_cast<ElfW(Dyn)*>(ehdr + phdr[i].p_vaddr);
     ElfW(Addr) pltrel = 0, pltrelsz = 0, rel = 0, relsz = 0;
     for (size_t j = 0, size = phdr[i].p_filesz / sizeof(ElfW(Dyn)); j != size; ++j) {
-      // We can't handle IRELATIVE relocations in DT_ANDROID_REL[A].
+      // We don't currently handle IRELATIVE relocations in DT_ANDROID_REL[A].
       // We disabled DT_ANDROID_REL[A] at build time; verify that it was actually disabled.
       CHECK(dyn[j].d_tag != DT_ANDROID_REL && dyn[j].d_tag != DT_ANDROID_RELA);
       if (dyn[j].d_tag == DT_JMPREL) {