Fix unitialized local in impCastClassOrIsInstToTree (dotnet#82348)

Nisden · Feb 20, 2023 · ac7afb9 · ac7afb9
1 parent e79694c
commit ac7afb9
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Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/src/coreclr/jit/importer.cpp b/src/coreclr/jit/importer.cpp
@@ -5937,8 +5937,9 @@ GenTree* Compiler::impCastClassOrIsInstToTree(
     //
 
     GenTree* op2Var = op2;
-    if (isCastClass && !partialExpand)
+    if (isCastClass && !partialExpand && (exactCls == NO_CLASS_HANDLE))
     {
+        // if exactCls is not null we won't have to clone op2 (it will be used only for the fallback)
         op2Var                                                  = fgInsertCommaFormTemp(&op2);
         lvaTable[op2Var->AsLclVarCommon()->GetLclNum()].lvIsCSE = true;
     }

diff --git a/src/tests/issues.targets b/src/tests/issues.targets
@@ -1324,9 +1324,6 @@
         <ExcludeList Include="$(XunitTestBinBase)/JIT/opt/ValueNumbering/TypeTestFolding/*">
             <Issue>https://github.com/dotnet/runtime/issues/71883</Issue>
         </ExcludeList>
-        <ExcludeList Include="$(XunitTestBinBase)/JIT/PGO/ProfileCastClassAndIsInst/**">
-            <Issue>https://github.com/dotnet/runtime/issues/82071</Issue>
-        </ExcludeList>
         <ExcludeList Include="$(XunitTestBinBase)/JIT/Regression/JitBlue/DevDiv_461649/DevDiv_461649/*">
             <Issue>https://github.com/dotnet/runtimelab/issues/155: Reflection emit</Issue>
         </ExcludeList>