[lld] r252934 - ELF2: Make type a bit stricter. NFC.

[Rui Ueyama via llvm-commits]

Author: ruiu
Date: Thu Nov 12 13:42:43 2015
New Revision: 252934

URL: http://llvm.org/viewvc/llvm-project?rev=252934&view=rev
Log:
ELF2: Make type a bit stricter. NFC.

Modified:
    lld/trunk/ELF/MarkLive.cpp

Modified: lld/trunk/ELF/MarkLive.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/MarkLive.cpp?rev=252934&r1=252933&r2=252934&view=diff
==============================================================================
--- lld/trunk/ELF/MarkLive.cpp (original)
+++ lld/trunk/ELF/MarkLive.cpp Thu Nov 12 13:42:43 2015
@@ -76,13 +76,14 @@ template <class ELFT> static bool isRese
 }
 
 template <class ELFT> void lld::elf2::markLive(SymbolTable<ELFT> *Symtab) {
-  SmallVector<InputSectionBase<ELFT> *, 256> Q;
+  SmallVector<InputSection<ELFT> *, 256> Q;
 
   auto Enqueue = [&](InputSectionBase<ELFT> *Sec) {
     if (!Sec || Sec->Live)
       return;
     Sec->Live = true;
-    Q.push_back(Sec);
+    if (InputSection<ELFT> *S = dyn_cast<InputSection<ELFT>>(Sec))
+      Q.push_back(S);
   };
 
   auto MarkSymbol = [&](SymbolBody *Sym) {
@@ -124,8 +125,7 @@ template <class ELFT> void lld::elf2::ma
 
   // Mark all reachable sections.
   while (!Q.empty())
-    if (auto *Sec = dyn_cast<InputSection<ELFT>>(Q.pop_back_val()))
-      forEachSuccessor<ELFT>(Sec, Enqueue);
+    forEachSuccessor<ELFT>(Q.pop_back_val(), Enqueue);
 }
 
 template void lld::elf2::markLive<ELF32LE>(SymbolTable<ELF32LE> *);