llvm-undname: Use UNREACHABLE after exhaustive switch returning everywhere

nico · nico · commit ef035186dba6 · 2019-04-11T23:23:00.000Z
No behavior change.

llvm-svn: 358241
diff --git a/llvm/lib/Demangle/MicrosoftDemangle.cpp b/llvm/lib/Demangle/MicrosoftDemangle.cpp
@@ -682,7 +682,7 @@ Demangler::demangleFunctionIdentifierCode(StringView &MangledName,
   }
   // No Mangling Yet:      Spaceship,                    // operator<=>
 
-  return nullptr;
+  DEMANGLE_UNREACHABLE;
 }
 
 SymbolNode *Demangler::demangleEncodedSymbol(StringView &MangledName,

Original file line number	Diff line number	Diff line change
`@@ -682,7 +682,7 @@ Demangler::demangleFunctionIdentifierCode(StringView &MangledName,`
`682`	`682`	`}`
`683`	`683`	`// No Mangling Yet: Spaceship, // operator<=>`
`684`	`684`
`685`		`- return nullptr;`
	`685`	`+ DEMANGLE_UNREACHABLE;`
`686`	`686`	`}`
`687`	`687`
`688`	`688`	`SymbolNode *Demangler::demangleEncodedSymbol(StringView &MangledName,`