PR c++/5287, PR c++/7910, PR c++/11021

PR c++/5287, PR c++/7910,  PR c++/11021
	* testsuite/g++.dg/ext/dllimport1.C: Add mingw32 as target. Add
	tests for warnings.
	* testsuite/g++.dg/ext/dllimport2.C: Add tests for warnings.
	* testsuite/g++.dg/ext/dllimport3.C: Likewise.
	* testsuite/g++.dg/ext/dllimport4.C: New file.
	* testsuite/g++.dg/ext/dllimport5.C: New file.
	* testsuite/g++.dg/ext/dllimport6.C: New file.
	* testsuite/g++.dg/ext/dllimport7.C: New file.
	* testsuite/g++.dg/ext/dllimport8.C: New file.
	* testsuite/g++.dg/ext/dllimport9.C: New file.
	* testsuite/g++.dg/ext/dllimport10.C: New file.
	* testsuite/g++.dg/ext/dllexport1.C: New file.

From-SVN: r68917

gcc/testsuite/ChangeLog

@@ -1,3 +1,19 @@
+2003-07-04  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	PR c++/5287, PR c++/7910,  PR c++/11021
+	* testsuite/g++.dg/ext/dllimport1.C: Add mingw32 as target. Add
+	tests for warnings.
+	* testsuite/g++.dg/ext/dllimport2.C: Add tests for warnings.
+	* testsuite/g++.dg/ext/dllimport3.C: Likewise.
+	* testsuite/g++.dg/ext/dllimport4.C: New file.
+	* testsuite/g++.dg/ext/dllimport5.C: New file.
+	* testsuite/g++.dg/ext/dllimport6.C: New file.
+	* testsuite/g++.dg/ext/dllimport7.C: New file.
+	* testsuite/g++.dg/ext/dllimport8.C: New file.
+	* testsuite/g++.dg/ext/dllimport9.C: New file.
+	* testsuite/g++.dg/ext/dllimport10.C: New file.
+	* testsuite/g++.dg/ext/dllexport1.C: New file.
+
 2003-07-03  Mark Mitchell  <mark@codesourcery.com>
 
 	* g++.old-deja/g++.jason/typeid1.C: Add dg-error marker.

gcc/testsuite/g++.dg/ext/dllexport1.C

@@ -0,0 +1,23 @@
+// Test that inline functions are exported with -fkeep-inline-functions.
+// { dg-do compile { target i?86-*-cygwin* i?86-*-mingw*} }
+// { dg-options -fkeep-inline-functions } 
+
+__attribute__((dllexport)) inline int foo (int a) { return a;}
+
+
+class __attribute__((dllexport)) Bar
+{
+  public:
+    Bar(){};
+    int inline_bar(int a) {return a;}
+    int outline_bar(int a); 
+};
+
+int Bar::outline_bar(int a) {return foo (a);}
+
+
+Bar abar;
+
+// { dg-final { scan-assembler "\.section\[ \t\]*.drectve\n.*_ZN3Bar11outline_barEi" } }
+// { dg-final { scan-assembler " -export:_ZN3Bar10inline_barEi" } }
+// { dg-final { scan-assembler " -export:_Z3fooi" } }

gcc/testsuite/g++.dg/ext/dllimport1.C

@@ -1,12 +1,20 @@
-// { dg-do compile { target i?86-*-cygwin* } }
+//  PR c++/7910
+// { dg-do compile { target i?86-*-cygwin* i?86-*-mingw*} }
+// { dg-options { -Wall -W } }
 
 class __attribute__((dllimport)) Foo
 {
  public:
   virtual void dummy_foo_func(void)
-    {}
+    {}	// { dg-warning "inline function" }
+  void Foo::dummy_foo_fun2();
+  virtual ~Foo();  //  avoid warning  
 };
 
+void Foo::dummy_foo_fun2()
+{	//  { dg-warning "defined" }
+}
+
 class Bar : public Foo
 {
 public:
@@ -19,3 +27,5 @@ Bar::~Bar()
 
 void Bar::dummy_bar_func()
 {}
+
+// { dg-final { scan-assembler-not "__imp___ZN3Foo14dummy_foo_fun" } }

gcc/testsuite/g++.dg/ext/dllimport10.C

@@ -0,0 +1,16 @@
+// PR c++/5287, c++/11021
+// Inherit a virtual method from a dllimport'd base class.
+
+// { dg-do compile { target i?86-*-cygwin* i?86-*-mingw*} }
+
+struct __attribute__((dllimport)) A
+{
+  virtual void vfunc(void);
+};
+
+struct B : public A
+{
+};
+
+
+B aB;

gcc/testsuite/g++.dg/ext/dllimport2.C

@@ -1,15 +1,29 @@
 // { dg-do compile { target i?86-*-cygwin* i?86-*-mingw*} }
 
-// PR 9738  Dllimport attribute is overriden by later definition
+// PR c++/9738  Dllimport attribute is overriden by later definition/redeclaration
 
 void __attribute__((dllimport)) Bar(void);
+void __attribute__((dllimport)) Baz(void);
+__attribute__((dllimport)) int Biz;
+__attribute__((dllimport)) int Boz;
+
+void Foo(void)
+  {
+    Bar();
+    Baz();
+    Biz++;	 
+    Boz++;	 
+  }
  
- void Foo(void)
- {
-     Bar();
- }
- 
- void Bar(void)
- {
- }
- 
+void Bar(void)
+  {			// { dg-warning "defined" }
+  }
+
+void Baz(void);		// { dg-warning "redeclared" }
+extern int Biz;		// { dg-warning "redeclared" }
+int Boz;		// { dg-warning "defined" }
+
+void foo()
+{
+  Biz++;
+}

gcc/testsuite/g++.dg/ext/dllimport3.C

@@ -15,7 +15,7 @@ struct Foo
      void* dummy = &f;
  }
 
- struct Foo f;
+ struct Foo f;	// { dg-warning "defined" }
 
 // Dllimport sets DECL_NON_ADDR_CONST_P to 1, so following
 // assignment would require static_initialization_and_destruction

gcc/testsuite/g++.dg/ext/dllimport4.C

@@ -0,0 +1,6 @@
+//  Report error if dllimport attribute in definition itself.
+// { dg-do compile { target i?86-*-cygwin* i?86-*-mingw*} }
+
+__attribute__((dllimport))  void bar () { }	// { dg-error "definition" }
+
+__attribute__((dllimport))  int foo = 1;	// { dg-error "definition" }

gcc/testsuite/g++.dg/ext/dllimport5.C

@@ -0,0 +1,28 @@
+// { dg-do compile { target i?86-*-cygwin* i?86-*-mingw*} }
+//  Report error if static symbol definition has dllimport attribute.
+
+__attribute__((dllimport))
+ int impvar;			// OK,  implicit "extern"
+
+ static __attribute__((dllimport))
+ int static_impvar;	// { dg-error "external linkage" }
+
+ static  __attribute__((dllexport))
+int static_expvar;	// { dg-error "external linkage" }
+
+static __attribute__((dllimport))
+void static_impfun(void);	// { dg-error "external linkage" }
+
+void foo()
+{
+  __attribute__((dllimport))
+  int foovar;	// OK,  implicit "extern" 
+  foovar++;
+}
+
+void bar()
+{
+  __attribute__((dllexport))
+  int barvar;	// { dg-error "external linkage" }
+  barvar++;
+}

gcc/testsuite/g++.dg/ext/dllimport6.C

@@ -0,0 +1,30 @@
+// { dg-do compile { target i?86-*-cygwin* i?86-*-mingw*} }
+//  Mark class static members as dllimport.
+
+struct Baz
+{
+  Baz(int a_ =0) : a(a_) {}; 
+  int a;
+};
+
+class  __attribute__ ((dllimport)) Bar
+{
+  public:
+    static const int two = 2;
+    static const int three;
+    static const Baz null_baz;
+};
+
+int foo()
+{
+  Bar foobar;
+  const int* baz = &Bar::two; 
+  int a = foobar.two;
+  int b = foobar.three;
+  int c = foobar.null_baz.a;
+  return (a + b + c + *baz);
+}
+
+// { dg-final { scan-assembler __imp___ZN3Bar3twoE } }
+// { dg-final { scan-assembler __imp___ZN3Bar5threeE } }
+// { dg-final { scan-assembler __imp___ZN3Bar8null_bazE } }

gcc/testsuite/g++.dg/ext/dllimport7.C

@@ -0,0 +1,33 @@
+// { dg-do compile { target i?86-*-cygwin* i?86-*-mingw*} }
+
+//  Report errors on definition of dllimport'd static data member . 
+
+
+struct Baz
+{
+  Baz(int a_ =0) : a(a_) {}; 
+  int a;
+};
+
+class  __declspec(dllimport) Bar
+{
+  public:
+    enum {one = 1};
+    static const int two = 2;
+    static const int three;
+    static const Baz null_baz;
+};
+
+const int Bar::three = 3;	//  { dg-error "definition of static data" }
+const Baz Bar::null_baz;	//  { dg-error "definition of static data" }
+
+
+int foo()
+{
+  Bar foobar;
+  const int* baz = &Bar::two; 
+  int a = foobar.two;
+  int b = foobar.three;
+  int c = foobar.null_baz.a;
+  return (a + b + c + *baz);
+}

gcc/testsuite/g++.dg/ext/dllimport8.C

@@ -0,0 +1,29 @@
+//  PR c++/8378
+//  Ignore  dllimport of static members if marked inlined.
+//  or if definition follows  declaration in dllimported class.
+
+// { dg-do compile { target i?86-*-cygwin* i?86-*-mingw*} }
+// { dg-options { -Wall -W } }
+
+struct  __attribute__((dllimport)) Foo
+ {
+    static int static_int;
+    static void static_func1();
+    static void static_func2();
+ };
+
+void Foo::static_func1()
+  {		//  { dg-warning "defined" }
+  }
+
+inline void Foo::static_func2()
+ {		//  { dg-warning "inline function" }
+ }
+
+void testfoo()
+{ 
+  Foo::static_func1();
+  Foo::static_func2();
+}
+
+// { dg-final { scan-assembler-not "__imp__" } }

gcc/testsuite/g++.dg/ext/dllimport9.C

@@ -0,0 +1,23 @@
+//  Handle dllimport attribute for functions declared inline.
+// { dg-do compile { target i?86-*-cygwin* i?86-*-mingw*} }
+// { dg-options { -W } }
+
+inline __attribute__((dllimport)) void bar() { }	// { dg-warning "inline" }
+
+struct __attribute__ ((dllimport)) Blah	
+{
+  void in_blah () { }				// { dg-warning "inline" }
+  void out_blah ();
+};
+
+inline void Blah::out_blah(){ }			// { dg-warning "inline" }
+
+void use_inlines()
+{
+  Blah aBlah;
+  bar();
+  aBlah.in_blah ();
+  aBlah.out_blah ();
+}
+
+// { dg-final { scan-assembler-not "__imp__" } }