From: Jason Merrill <jason@redhat.com>
Date: Fri, 5 Feb 2010 22:17:09 +0000 (-0500)
Subject: re PR c++/42870 (__attribute__ ((dllexport)) produces broken linkage)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b2469a9bbb9c5390c8fc08dba85a41a86301d441;p=gcc.git

re PR c++/42870 (__attribute__ ((dllexport)) produces broken linkage)

	PR c++/42870
	* config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
	i386_pe_maybe_record_exported_symbol.

From-SVN: r156529
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index be49d980c15..c9709125689 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-02-03  Jason Merrill  <jason@redhat.com>
+
+	PR c++/42870
+	* config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
+	i386_pe_maybe_record_exported_symbol.
+
 2010-02-05  Steve Ellcey  <sje@cup.hp.com>
 
 	PR target/42924
diff --git a/gcc/config/i386/cygming.h b/gcc/config/i386/cygming.h
index ddec95a36fc..54a61d7a1bc 100644
--- a/gcc/config/i386/cygming.h
+++ b/gcc/config/i386/cygming.h
@@ -361,6 +361,7 @@ do {						\
     {									\
       const char *alias							\
 	= IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL));		\
+      i386_pe_maybe_record_exported_symbol (DECL, alias, 0);		\
       if (TREE_CODE (DECL) == FUNCTION_DECL)				\
 	i386_pe_declare_function_type (STREAM, alias,			\
 				       TREE_PUBLIC (DECL));		\
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fdb749509de..f7a43f55f6a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2010-02-03  Jason Merrill  <jason@redhat.com>
+
+	PR c++/42870
+	* g++.dg/ext/dllexport3.C: New.
+
 2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
 
 	* gcc.dg/format/ms-format3.c: New test for specific MS types.
diff --git a/gcc/testsuite/g++.dg/ext/dllexport3.C b/gcc/testsuite/g++.dg/ext/dllexport3.C
new file mode 100644
index 00000000000..a47a5e07760
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/dllexport3.C
@@ -0,0 +1,19 @@
+// PR c++/42870
+// { dg-do compile { target i?86-*-cygwin *-*-mingw* } }
+// { dg-final { scan-assembler "-export:_ZN2SaD1Ev" } }
+
+#define ATTRIBUTE __attribute__ ((dllexport))
+class ATTRIBUTE Sa {
+ public:
+  Sa()
+    {}
+  ~Sa();
+};
+ATTRIBUTE Sa::~Sa()
+{return;}
+
+bool DllMain(void *a,void*b,int)
+{
+  Sa s;
+  return true;
+}