From: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Tue, 20 Aug 2019 13:25:19 +0000 (+0000)
Subject: Regex: +regex string lifetime comment
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4603d6397c4f88dcd3a6f512edd0fa314330d9cd;p=llvm

Regex: +regex string lifetime comment

Differential Revision: https://reviews.llvm.org/D66464


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@369383 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Support/Regex.h b/include/llvm/Support/Regex.h
index 2d19b10fd89..b05349dee88 100644
--- a/include/llvm/Support/Regex.h
+++ b/include/llvm/Support/Regex.h
@@ -44,6 +44,9 @@ namespace llvm {
 
     Regex();
     /// Compiles the given regular expression \p Regex.
+    ///
+    /// \param Regex - referenced string is no longer needed after this
+    /// constructor does finish.  Only its compiled form is kept stored.
     Regex(StringRef Regex, unsigned Flags = NoFlags);
     Regex(const Regex &) = delete;
     Regex &operator=(Regex regex) {