From a14ce4c7cbd15aecbf8291eab8fb396c81577b78 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Tue, 19 Jan 2021 19:57:37 +0100
Subject: [PATCH] lib/pcre/RegexPointer: work around bogus
 -Wmaybe-uninitialized with GCC 11

---
 src/lib/pcre/RegexPointer.hxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/lib/pcre/RegexPointer.hxx b/src/lib/pcre/RegexPointer.hxx
index 7311d0407..cb7e730ba 100644
--- a/src/lib/pcre/RegexPointer.hxx
+++ b/src/lib/pcre/RegexPointer.hxx
@@ -40,6 +40,13 @@
 
 #include <array>
 
+#if GCC_CHECK_VERSION(11,0)
+#pragma GCC diagnostic push
+/* bogus GCC 11 warning "ovector may be used uninitialized" in the
+   ovector.size() call */
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif
+
 class RegexPointer {
 protected:
 	pcre *re = nullptr;
@@ -63,4 +70,8 @@ public:
 	}
 };
 
+#if GCC_CHECK_VERSION(11,0)
+#pragma GCC diagnostic pop
+#endif
+
 #endif