Auto merge of #73756 - Manishearth:rollup-aehswb2, r=Manishearth

Rollup of 13 pull requests

Successful merges:

 - #72620 (Omit DW_AT_linkage_name when it is the same as DW_AT_name)
 - #72967 (Don't move cursor in search box when using arrows to navigate results)
 - #73102 (proc_macro: Stop flattening groups with dummy spans)
 - #73297 (Support configurable deny-warnings for all in-tree crates.)
 - #73507 (Cleanup MinGW LLVM linkage workaround)
 - #73588 (Fix handling of reserved registers for ARM inline asm)
 - #73597 (Record span of `const` kw in GenericParamKind)
 - #73629 (Make AssocOp Copy)
 - #73681 (Update Chalk to 0.14)
 - #73707 (Fix links in `SliceIndex` documentation)
 - #73719 (emitter: column width defaults to 140)
 - #73729 (disable collectionbenches for android)
 - #73748 (Add code block to code in documentation of `List::rebase_onto`)

Failed merges:

r? @ghost

1 files changed, 42 insertions, 0 deletions

diff --git a/src/test/codegen/debug-linkage-name.rs b/src/test/codegen/debug-linkage-name.rs
new file mode 100644
index 00000000000..0d7dca3aba3
--- /dev/null
+++ b/src/test/codegen/debug-linkage-name.rs
@@ -0,0 +1,42 @@
+// Verifies that linkage name is omitted when it is
+// the same as variable / function name.
+//
+// compile-flags: -C no-prepopulate-passes
+// compile-flags: -C debuginfo=2
+#![crate_type = "lib"]
+
+pub mod xyz {
+    // CHECK: !DIGlobalVariable(name: "A",
+    // CHECK:                   linkageName:
+    // CHECK-SAME:              line: 12,
+    pub static A: u32 = 1;
+
+    // CHECK: !DIGlobalVariable(name: "B",
+    // CHECK-NOT:               linkageName:
+    // CHECK-SAME:              line: 18,
+    #[no_mangle]
+    pub static B: u32 = 2;
+
+    // CHECK: !DIGlobalVariable(name: "C",
+    // CHECK-NOT:               linkageName:
+    // CHECK-SAME:              line: 24,
+    #[export_name = "C"]
+    pub static C: u32 = 2;
+
+    // CHECK: !DISubprogram(name: "e",
+    // CHECK:               linkageName:
+    // CHECK-SAME:          line: 29,
+    pub extern fn e() {}
+
+    // CHECK: !DISubprogram(name: "f",
+    // CHECK-NOT:           linkageName:
+    // CHECK-SAME:          line: 35,
+    #[no_mangle]
+    pub extern fn f() {}
+
+    // CHECK: !DISubprogram(name: "g",
+    // CHECK-NOT:           linkageName:
+    // CHECK-SAME:          line: 41,
+    #[export_name = "g"]
+    pub extern fn g() {}
+}