[llvm] [Lint][AMDGPU] No store to const addrspace (PR #109181)

[Matt Arsenault via llvm-commits]

================
@@ -93,6 +93,33 @@ inline bool isExtendedGlobalAddrSpace(unsigned AS) {
          AS == AMDGPUAS::CONSTANT_ADDRESS_32BIT ||
          AS > AMDGPUAS::MAX_AMDGPU_ADDRESS;
 }
+
+inline bool isConstantAddressSpace(unsigned AS) {
+  switch (AS) {
+    using namespace AMDGPUAS;
----------------
arsenm wrote:

```suggestion
  using namespace AMDGPUAS;
  switch (AS) {
```

https://github.com/llvm/llvm-project/pull/109181