[PATCH v2] rust: Fix rust modules test
Daniel Xu
dxu@dxuuu.xyz
Tue Jul 7 08:08:03 GMT 2020
I noticed that the modules test was failing. Some choice use of `nm`
revealed `TWENTY_THREE` was not in the final binary. Fix by taking a
pointer to the global, forcing the linker to keep the symbol in.
gdb/testsuite/
PR rust/26121
* gdb.rust/modules.rs: Prevent linker from discarding test
symbol
Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
---
Changes from V1:
* Add issue number to changelog
gdb/testsuite/gdb.rust/modules.rs | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gdb/testsuite/gdb.rust/modules.rs b/gdb/testsuite/gdb.rust/modules.rs
index 6db082817b..479e6529cd 100644
--- a/gdb/testsuite/gdb.rust/modules.rs
+++ b/gdb/testsuite/gdb.rust/modules.rs
@@ -60,7 +60,8 @@ pub mod mod1 {
let f2 = || println!("lambda f2");
- let copy = ::TWENTY_THREE;
+ // Prevent linker from discarding symbol
+ let ptr: *const u16 = &::TWENTY_THREE;
f2(); // set breakpoint here
f3();
--
2.27.0
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