From 9e8b7986458d79cf066088f091428f4bae46c6f4 Mon Sep 17 00:00:00 2001
From: fanfuqiang <feqin1023@gmail.com>
Date: Sun, 18 Aug 2019 14:17:13 +0800
Subject: [PATCH] update may_be_alias to gcc 9.2

---
 src/rap_plugin/hl-cfi.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/rap_plugin/hl-cfi.c b/src/rap_plugin/hl-cfi.c
index fabbf27..5fad559 100644
--- a/src/rap_plugin/hl-cfi.c
+++ b/src/rap_plugin/hl-cfi.c
@@ -160,6 +160,8 @@ rap_try_call_ipa_pta (void* gcc_data, void* user_data)
 static inline bool 
 is_rap_function_may_be_aliased (tree f)
 {
+#if BUILDING_GCC_VERSION < 7000
+
   return (TREE_CODE (f) != CONST_DECL
 	  && !((TREE_STATIC (f) || TREE_PUBLIC (f) || DECL_EXTERNAL (f))
 	       && TREE_READONLY (f)
@@ -167,8 +169,20 @@ is_rap_function_may_be_aliased (tree f)
 	  && (TREE_PUBLIC (f)
 	      || DECL_EXTERNAL (f)
 	      || TREE_ADDRESSABLE (f)));
-}
 
+#else
+
+  return (TREE_CODE (f) != CONST_DECL
+	  && (TREE_PUBLIC (f)
+	      || DECL_EXTERNAL (f)
+	      || TREE_ADDRESSABLE (f))
+	  && !((TREE_STATIC (f) || TREE_PUBLIC (f) || DECL_EXTERNAL (f))
+	       && (TREE_READONLY (f)
+		   || (TREE_CODE (f) == VAR_DECL
+		       && DECL_NONALIASED (f)))));
+
+#endif
+}
 
 /* Tools for type database operates */