Add a test for issue 47384

src/test/run-make/issue-47384/Makefile

@@ -0,0 +1,12 @@
+-include ../../run-make-fulldeps/tools.mk
+
+# ignore-windows
+# ignore-cross-compile
+
+all: main.rs
+ $(RUSTC) --crate-type lib lib.rs
+ $(RUSTC) --crate-type cdylib -Clink-args="-Tlinker.ld" main.rs
+ # Ensure `#[used]` and `KEEP`-ed section is there
+ objdump -s -j".static" $(TMPDIR)/libmain.so
+ # Ensure `#[no_mangle]` symbol is there
+ nm $(TMPDIR)/libmain.so | $(CGREP) bar

src/test/run-make/issue-47384/lib.rs

@@ -0,0 +1,12 @@
+mod foo {
+ #[link_section = ".rodata.STATIC"]
+ #[used]
+ static STATIC: [u32; 10] = [1; 10];
+}
+
+mod bar {
+ #[no_mangle]
+ extern "C" fn bar() -> i32 {
+ 0
+ }
+}

src/test/run-make/issue-47384/linker.ld

@@ -0,0 +1,7 @@
+SECTIONS
+{
+ .static : ALIGN(4)
+ {
+ KEEP(*(.rodata.STATIC));
+ }
+}

src/test/run-make/issue-47384/main.rs

@@ -0,0 +1 @@
+extern crate lib;