Simplify another function that doesn't fail.

llvm-svn: 238703
diff --git a/llvm/tools/llvm-symbolizer/LLVMSymbolize.cpp b/llvm/tools/llvm-symbolizer/LLVMSymbolize.cpp
index afb7cc8..b8fa838 100644
--- a/llvm/tools/llvm-symbolizer/LLVMSymbolize.cpp
+++ b/llvm/tools/llvm-symbolizer/LLVMSymbolize.cpp
@@ -113,9 +113,11 @@
   // occupies the memory range up to the following symbol.
   if (isa<MachOObjectFile>(Module))
     SymbolSize = 0;
-  else if (error(Symbol.getSize(SymbolSize)) ||
-           SymbolSize == UnknownAddressOrSize)
-    return;
+  else {
+    SymbolSize = Symbol.getSize();
+    if (SymbolSize == UnknownAddressOrSize)
+      return;
+  }
   StringRef SymbolName;
   if (error(Symbol.getName(SymbolName)))
     return;