aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/g++.dg/ext/dllimport3.C
diff options
context:
space:
mode:
authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/g++.dg/ext/dllimport3.C
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
downloadtoolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/ext/dllimport3.C')
-rw-r--r--gcc-4.9/gcc/testsuite/g++.dg/ext/dllimport3.C24
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/ext/dllimport3.C b/gcc-4.9/gcc/testsuite/g++.dg/ext/dllimport3.C
new file mode 100644
index 000000000..6538232f7
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/ext/dllimport3.C
@@ -0,0 +1,24 @@
+// { dg-do compile { target i?86-*-cygwin* i?86-*-mingw* x86_64-*-mingw* } }
+
+// PR 10148 Dllimport attribute of object is overriden by later
+// redefinition without attribute.
+
+struct Foo
+{
+ int a;
+};
+
+ __attribute__((dllimport)) struct Foo f;
+
+void Bar(void)
+{
+ void* dummy = (void*) &f;
+}
+
+struct Foo f; // { dg-warning "referenced with dll linkage" }
+
+// Dllimport'd symbols do not have a constant address, so following
+// assignment would require static_initialization_and_destruction
+// if attribute is retained.
+
+void* dummy = &f;