Fix SR-13520: return string instead of address of local temporary

Interfere · Interfere · commit 6a4c5cf0612e · 2020-09-22T19:33:43.000+03:00
diff --git a/unittests/Parse/TokenizerTests.cpp b/unittests/Parse/TokenizerTests.cpp
@@ -31,7 +31,7 @@ class TokenizerTest : public ::testing::Test {
     }
   }
 
-  static StringRef tokToString(swift::tok T) {
+  static std::string tokToString(swift::tok T) {
     switch (T) {
   #define KEYWORD(X) \
     case swift::tok::kw_##X: return "kw_" #X; break;

Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,7 @@ class TokenizerTest : public ::testing::Test {`
`31`	`31`	`}`
`32`	`32`	`}`
`33`	`33`
`34`		`- static StringRef tokToString(swift::tok T) {`
	`34`	`+ static std::string tokToString(swift::tok T) {`
`35`	`35`	`switch (T) {`
`36`	`36`	`#define KEYWORD(X) \`
`37`	`37`	`case swift::tok::kw_##X: return "kw_" #X; break;`