================
@@ -0,0 +1,33 @@
+// RUN: %clang -cc1 -triple %itanium_abi_triple %s -debug-info-kind=limited
-fdynamic-debugging -o %t \
+// RUN: -emit-llvm --save-dynamic-debugging-temps
--discard-dynamic-debugging-debug-module
+// RUN: FileCheck %s --check-prefix=INNER < %t.dyndbg.1.inner.ll
+// RUN: FileCheck %s --check-prefix=OUTER < %t.dyndbg.2.outer.ll
+
+/// Test functions get expected linkage and names in the dyndbg inner
+/// and outer modules. Each outer (to-be-optimized) function should have a
+/// corresponding inner (unoptimized) version.
+///
+/// The internal functions get external aliases in outer.
+
+// OUTER: $_Z7odrweakv = comdat any
+// INNER: $__dyndbg._Z7odrweakv = comdat any
+
+/// Outer: as input. Inner: external reference, __dyndbg copy.
+void external() {}
+// OUTER-DAG: define dso_local void @_Z8externalv()
+// INNER-DAG: declare dso_local void @_Z8externalv()
+// INNER-DAG: define dso_local void @__dyndbg._Z8externalv()
+
+/// Outer: add external linkage alias. Inner: external reference to alias,
+/// __dyndbg copy.
+[[gnu::used]] static void internal() {}
+// OUTER-DAG: @_ZL8internalv.dyndbg.[[hash:[0-9A-Z]+]] = hidden alias void (),
ptr @_ZL8internalv
+// OUTER-DAG: define internal void @_ZL8internalv()
+// INNER-DAG: declare hidden void @_ZL8internalv.dyndbg.[[hash:[0-9A-Z]+]]()
----------------
SLTozer wrote:
```suggestion
// INNER-DAG: declare hidden void @_ZL8internalv.dyndbg.[[hash:[0-9A-F]+]]()
```
https://github.com/llvm/llvm-project/pull/194860
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