[clang-tools-extra] [clang-tidy] 'modernize-use-starts-ends-with': fixed false positives on `find` and `rfind` (PR #129564)

[Baranov Victor via cfe-commits]

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@@ -261,6 +273,9 @@ void test(std::string s, std::string_view sv, sub_string ss, sub_sub_string sss,
 
   #define STRING s
   if (0 == STRING.find("ala")) { /* do something */}
+
+  s.find("aaa", 0, 3) == 0;
+  s.rfind("aaa", std::string::npos, 3) == 0;
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vbvictor wrote:

I added matching of cases where `strlen("aaa") == 3rd_arg`, that now only by design TN are not being matched.

https://github.com/llvm/llvm-project/pull/129564