More explicit keywords.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42316 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.h b/lib/Target/PowerPC/PPCTargetAsmInfo.h
index 6a680e2..040786a 100644
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.h
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.h
@@ -22,15 +22,15 @@
   class PPCTargetMachine;
   
   struct PPCTargetAsmInfo : public TargetAsmInfo {
-    PPCTargetAsmInfo(const PPCTargetMachine &TM);
+    explicit PPCTargetAsmInfo(const PPCTargetMachine &TM);
   };
 
   struct DarwinTargetAsmInfo : public PPCTargetAsmInfo {
-    DarwinTargetAsmInfo(const PPCTargetMachine &TM);
+    explicit DarwinTargetAsmInfo(const PPCTargetMachine &TM);
   };
 
   struct LinuxTargetAsmInfo : public PPCTargetAsmInfo {
-    LinuxTargetAsmInfo(const PPCTargetMachine &TM);
+    explicit LinuxTargetAsmInfo(const PPCTargetMachine &TM);
   };
 
 } // namespace llvm