[clang] [OpenACC] Implement better dupe catching for device_type clauses (PR #138196)

[via cfe-commits]

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@@ -539,4 +539,25 @@ void no_dupes_since_last_device_type() {
 #pragma acc loop collapse(1) device_type(*) collapse(1) device_type(nvidia) collapse(2)
   for(unsigned i = 0; i < 5; ++i)
     for(unsigned j = 0; j < 5; ++j);
+
+  // This one is ok, despite * being the 'all' value.
+#pragma acc loop device_type(*) collapse(1) device_type(nvidia) collapse(2)
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cor3ntin wrote:

what about `device_type(*) device_type(*)` ?

https://github.com/llvm/llvm-project/pull/138196