[ProfileData] Fix a warning

kazutakahirata · kazutakahirata · commit a340d474192f · 2021-11-09T10:34:00.000-08:00
This patch fixes:

  llvm/lib/ProfileData/InstrProf.cpp:146:3: error: default label in
  switch which covers all enumeration values
  [-Werror,-Wcovered-switch-default]
diff --git a/llvm/lib/ProfileData/InstrProf.cpp b/llvm/lib/ProfileData/InstrProf.cpp
@@ -143,9 +143,6 @@ static std::string getInstrProfErrString(instrprof_error Err,
     OS << "profile uses zlib compression but the profile reader was built "
           "without zlib support";
     break;
-  default:
-    llvm_unreachable("A value of instrprof_error has no message.");
-    break;
   }
 
   // If optional error message is not empty, append it to the message.

Original file line number	Diff line number	Diff line change
`@@ -143,9 +143,6 @@ static std::string getInstrProfErrString(instrprof_error Err,`
`143`	`143`	`OS << "profile uses zlib compression but the profile reader was built "`
`144`	`144`	`"without zlib support";`
`145`	`145`	`break;`
`146`		`- default:`
`147`		`- llvm_unreachable("A value of instrprof_error has no message.");`
`148`		`- break;`
`149`	`146`	`}`
`150`	`147`
`151`	`148`	`// If optional error message is not empty, append it to the message.`