Fix asserts in CodeGen from:

  assert("error");

to:

  assert(0 && "error");

llvm-svn: 139449
diff --git a/llvm/lib/CodeGen/ELFCodeEmitter.cpp b/llvm/lib/CodeGen/ELFCodeEmitter.cpp
index 3fb087c..660424c 100644
--- a/llvm/lib/CodeGen/ELFCodeEmitter.cpp
+++ b/llvm/lib/CodeGen/ELFCodeEmitter.cpp
@@ -155,7 +155,7 @@
     CPSections.push_back(CstPool.SectionIdx);
 
     if (CPE.isMachineConstantPoolEntry())
-      assert("CPE.isMachineConstantPoolEntry not supported yet");
+      assert(0 && "CPE.isMachineConstantPoolEntry not supported yet");
 
     // Emit the constant to constant pool section
     EW.EmitGlobalConstant(CPE.Val.ConstVal, CstPool);