[Support] Remove an unnecessary cast (NFC) (#152442)

kazutakahirata · web-flow · commit 02fbb6a29077 · 2025-08-07T07:22:50.000-07:00
pattern is already of const char *.
diff --git a/llvm/lib/Support/regcomp.c b/llvm/lib/Support/regcomp.c
@@ -305,7 +305,7 @@ llvm_regcomp(llvm_regex_t *preg, const char *pattern, int cflags) {
       return (REG_INVARG);
     len = preg->re_endp - pattern;
   } else {
-    len = strlen((const char *)pattern);
+    len = strlen(pattern);
   }
 
   /* do the mallocs early so failure handling is easy */

Original file line number	Diff line number	Diff line change
`@@ -305,7 +305,7 @@ llvm_regcomp(llvm_regex_t preg, const char pattern, int cflags) {`
`305`	`305`	`return (REG_INVARG);`
`306`	`306`	`len = preg->re_endp - pattern;`
`307`	`307`	`} else {`
`308`		`- len = strlen((const char *)pattern);`
	`308`	`+ len = strlen(pattern);`
`309`	`309`	`}`
`310`	`310`
`311`	`311`	`/* do the mallocs early so failure handling is easy */`