From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Sun, 14 Jun 2015 00:23:40 +0000 (+0000)
Subject: AsmPrinter.cpp: Avoid crashes for targeting like "arm-mingw32". CurrentFnSym might... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=145cdc632a29600c2d8ea1707917e227f9a2c8b1;p=oota-llvm.git

AsmPrinter.cpp: Avoid crashes for targeting like "arm-mingw32". CurrentFnSym might not be <MCSymbolELF> here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239692 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index cb8aa72e246..85ee9b3b853 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -902,7 +902,8 @@ void AsmPrinter::EmitFunctionBody() {
     const MCExpr *SizeExp = MCBinaryExpr::createSub(
         MCSymbolRefExpr::create(CurrentFnEnd, OutContext),
         MCSymbolRefExpr::create(CurrentFnSymForSize, OutContext), OutContext);
-    OutStreamer->emitELFSize(cast<MCSymbolELF>(CurrentFnSym), SizeExp);
+    if (auto Sym = dyn_cast<MCSymbolELF>(CurrentFnSym))
+      OutStreamer->emitELFSize(Sym, SizeExp);
   }
 
   for (const HandlerInfo &HI : Handlers) {