[clang] Fix missing initializer for inline static template member with auto caused by delayed template instantiation. (PR #138122)

[via cfe-commits]

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@@ -6027,8 +6027,12 @@ void Sema::BuildVariableInstantiation(
   Context.setManglingNumber(NewVar, Context.getManglingNumber(OldVar));
   Context.setStaticLocalNumber(NewVar, Context.getStaticLocalNumber(OldVar));
 
+  bool VarTemplateWithAutoType =
+      OldVar->getTypeSourceInfo()->getType()->getAs<AutoType>();
+
   // Figure out whether to eagerly instantiate the initializer.
-  if (InstantiatingVarTemplate || InstantiatingVarTemplatePartialSpec) {
+  if (!VarTemplateWithAutoType &&
+      (InstantiatingVarTemplate || InstantiatingVarTemplatePartialSpec)) {
----------------
dty2 wrote:

Oh, I realized my mistake, thank you for correcting me.

https://github.com/llvm/llvm-project/pull/138122
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