Add debuginfo tests for collapse_debuginfo for statics.

tests/debuginfo/collapse-debuginfo-static-external.rs

@@ -0,0 +1,24 @@
+//@ ignore-lldb
+
+// Test that static debug info is not collapsed with #[collapse_debuginfo(external)]
+
+//@ compile-flags:-g
+
+// === GDB TESTS ===================================================================================
+
+// gdb-command:info line collapse_debuginfo_static_external::FOO
+// gdb-check:[...]Line 15[...]
+
+#[collapse_debuginfo(external)]
+macro_rules! decl_foo {
+    () => {
+        static FOO: u32 = 0;
+    };
+}
+
+decl_foo!();
+
+fn main() {
+    // prevent FOO from getting optimized out
+    std::hint::black_box(&FOO);
+}

tests/debuginfo/collapse-debuginfo-static.rs

@@ -0,0 +1,24 @@
+//@ ignore-lldb
+
+// Test that static debug info is collapsed with #[collapse_debuginfo(yes)]
+
+//@ compile-flags:-g
+
+// === GDB TESTS ===================================================================================
+
+// gdb-command:info line collapse_debuginfo_static::FOO
+// gdb-check:[...]Line 19[...]
+
+#[collapse_debuginfo(yes)]
+macro_rules! decl_foo {
+    () => {
+        static FOO: u32 = 0;
+    };
+}
+
+decl_foo!();
+
+fn main() {
+    // prevent FOO from getting optimized out
+    std::hint::black_box(&FOO);
+}