From 4938f2385f82e54df019b2fb1128a58ebad98bec Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Fri, 3 Sep 2010 01:11:38 +0000
Subject: [PATCH] Static local variables don't result in global constructors
 being emitted.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112933 91177308-0d34-0410-b5e6-96231b3b80d8
---
 clang.xcodeproj/project.pbxproj           |  1 -
 lib/Sema/SemaDecl.cpp                     |  4 ++--
 test/SemaCXX/warn-global-constructors.cpp | 23 +++++++++++++++++++++++
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/clang.xcodeproj/project.pbxproj b/clang.xcodeproj/project.pbxproj
index def722b45e..2a25645088 100644
--- a/clang.xcodeproj/project.pbxproj
+++ b/clang.xcodeproj/project.pbxproj
@@ -2039,7 +2039,6 @@
 			isa = PBXProject;
 			buildConfigurationList = 1DEB923508733DC60010E9CD /* Build configuration list for PBXProject "clang" */;
 			compatibilityVersion = "Xcode 2.4";
-			developmentRegion = English;
 			hasScannedForEncodings = 1;
 			knownRegions = (
 				English,
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 4b116890fa..9c10b85ad4 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -4280,7 +4280,7 @@ void Sema::AddInitializerToDecl(Decl *RealDecl, Expr *Init, bool DirectInit) {
   if (getLangOptions().CPlusPlus) {
     if (!VDecl->isInvalidDecl() &&
         !VDecl->getDeclContext()->isDependentContext() &&
-        VDecl->hasGlobalStorage() &&
+        VDecl->hasGlobalStorage() && !VDecl->isStaticLocal() &&
         !Init->isConstantInitializer(Context,
                                      VDecl->getType()->isReferenceType()))
       Diag(VDecl->getLocation(), diag::warn_global_constructor)
@@ -4492,7 +4492,7 @@ void Sema::ActOnUninitializedDecl(Decl *RealDecl,
         Var->setInit(MaybeCreateCXXExprWithTemporaries(Init.takeAs<Expr>()));
 
         if (getLangOptions().CPlusPlus && !Var->isInvalidDecl() && 
-            Var->hasGlobalStorage() &&
+            Var->hasGlobalStorage() && !Var->isStaticLocal() &&
             !Var->getDeclContext()->isDependentContext() &&
             !Var->getInit()->isConstantInitializer(Context, false))
           Diag(Var->getLocation(), diag::warn_global_constructor);
diff --git a/test/SemaCXX/warn-global-constructors.cpp b/test/SemaCXX/warn-global-constructors.cpp
index a9347ea300..107bbe129f 100644
--- a/test/SemaCXX/warn-global-constructors.cpp
+++ b/test/SemaCXX/warn-global-constructors.cpp
@@ -56,3 +56,26 @@ namespace test4 {
   char b[5] = "hello";
   char c[][5] = { "hello" };
 }
+
+namespace test5 {
+  struct A { A(); };
+
+  void f1() {
+    static A a;
+  }
+  void f2() {
+    static A& a = *new A;
+  }
+}
+
+namespace test6 {
+  struct A { ~A(); };
+
+  void f1() {
+    static A a; // expected-warning {{global destructor}}
+  }
+  void f2() {
+    static A& a = *new A;
+  }
+
+}
\ No newline at end of file
-- 
2.40.0