Do not try to access the operation that has been folded

dotnet · Jan 21, 2021 · e329cae · e329cae
1 parent beb589d
commit e329cae
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/src/coreclr/jit/importer.cpp b/src/coreclr/jit/importer.cpp
@@ -13479,6 +13479,7 @@ void Compiler::impImportBlockCode(BasicBlock* block)
                  */
 
                 type = genActualType(lclTyp);
+
                 // If this is a no-op cast, just use op1.
                 if (!ovfl && (type == op1->TypeGet()) && (genTypeSize(type) == genTypeSize(lclTyp)))
                 {

diff --git a/src/coreclr/jit/morph.cpp b/src/coreclr/jit/morph.cpp
@@ -12211,8 +12211,11 @@ GenTree* Compiler::fgMorphSmpOp(GenTree* tree, MorphAddrContext* mac)
                     {
                         tree = gtFoldExpr(tree);
                     }
+                    else
+                    {
+                        tree->AsOp()->CheckDivideByConstOptimized(this);
+                    }
 
-                    tree->AsOp()->CheckDivideByConstOptimized(this);
                     return tree;
                 }
             }