Auto merge of #2712 - RalfJung:rustup, r=RalfJung

Rustup

4 files changed, 40 insertions, 25 deletions

diff --git a/src/test/codegen/auxiliary/extern_decl.rs b/src/test/codegen/auxiliary/extern_decl.rs
new file mode 100644
index 00000000000..edc48351869
--- /dev/null
+++ b/src/test/codegen/auxiliary/extern_decl.rs
@@ -0,0 +1,11 @@
+// Auxiliary crate that exports a function and static. Both always
+// evaluate to `71`. We force mutability on the static to prevent
+// it from being inlined as constant.
+
+#![crate_type = "lib"]
+
+#[no_mangle]
+pub fn extern_fn() -> u8 { unsafe { extern_static } }
+
+#[no_mangle]
+pub static mut extern_static: u8 = 71;
diff --git a/src/test/codegen/dllimports/main.rs b/src/test/codegen/dllimports/main.rs
index bb3134e81c9..ab599992ffd 100644
--- a/src/test/codegen/dllimports/main.rs
+++ b/src/test/codegen/dllimports/main.rs
@@ -1,17 +1,6 @@
 // This test is for *-windows-msvc only.
-// ignore-android
-// ignore-dragonfly
-// ignore-emscripten
-// ignore-freebsd
+// only-windows
 // ignore-gnu
-// ignore-haiku
-// ignore-ios
-// ignore-linux
-// ignore-macos
-// ignore-netbsd
-// ignore-openbsd
-// ignore-solaris
-// ignore-sgx no dynamic linking
 
 // aux-build:dummy.rs
 // aux-build:wrapper.rs
diff --git a/src/test/codegen/panic-abort-windows.rs b/src/test/codegen/panic-abort-windows.rs
index 9ee4bfc4711..2ee29762dcd 100644
--- a/src/test/codegen/panic-abort-windows.rs
+++ b/src/test/codegen/panic-abort-windows.rs
@@ -1,16 +1,5 @@
-// This test is for *-windows-msvc only.
-// ignore-android
-// ignore-dragonfly
-// ignore-emscripten
-// ignore-freebsd
-// ignore-haiku
-// ignore-ios
-// ignore-linux
-// ignore-macos
-// ignore-netbsd
-// ignore-openbsd
-// ignore-solaris
-// ignore-sgx
+// This test is for *-windows only.
+// only-windows
 
 // compile-flags: -C no-prepopulate-passes -C panic=abort -O
 
diff --git a/src/test/codegen/static-relocation-model-msvc.rs b/src/test/codegen/static-relocation-model-msvc.rs
new file mode 100644
index 00000000000..b2afc7deb67
--- /dev/null
+++ b/src/test/codegen/static-relocation-model-msvc.rs
@@ -0,0 +1,26 @@
+// Verify linkage of external symbols in the static relocation model on MSVC.
+//
+// compile-flags: -O -C relocation-model=static
+// aux-build: extern_decl.rs
+// only-x86_64-pc-windows-msvc
+
+#![crate_type = "rlib"]
+
+extern crate extern_decl;
+
+// The `extern_decl` definitions are imported from a statically linked rust
+// crate, thus they are expected to be marked `dso_local` without `dllimport`.
+//
+// The `access_extern()` symbol is from this compilation unit, thus we expect
+// it to be marked `dso_local` as well, given the static relocation model.
+//
+// CHECK: @extern_static = external dso_local local_unnamed_addr global i8
+// CHECK: define dso_local i8 @access_extern() {{.*}}
+// CHECK: declare dso_local i8 @extern_fn() {{.*}}
+
+#[no_mangle]
+pub fn access_extern() -> u8 {
+    unsafe {
+        extern_decl::extern_fn() + extern_decl::extern_static
+    }
+}