[clang] [Clang][Sema] Explicit template arguments are not substituted into the exception specification of a function (PR #90760)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff 7cbaaed63612fe6446355c5ffe33ddd57578b929 2bc18f45560f607a09c756bb9ebca0b7ad5d1bb4 -- clang/test/CXX/temp/temp.deduct/p7.cpp clang/lib/Sema/SemaInit.cpp clang/lib/Sema/SemaTemplateDeduction.cpp clang/test/CXX/drs/dr13xx.cpp clang/test/SemaCXX/cxx1z-noexcept-function-type.cpp clang/test/SemaTemplate/temp_arg_type.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Sema/SemaInit.cpp b/clang/lib/Sema/SemaInit.cpp
index 2c1c7affbc..c8049ae581 100644
--- a/clang/lib/Sema/SemaInit.cpp
+++ b/clang/lib/Sema/SemaInit.cpp
@@ -6578,8 +6578,10 @@ void InitializationSequence::InitializeFrom(Sema &S,
   } else if (ICS.isBad()) {
     if (isLibstdcxxPointerReturnFalseHack(S, Entity, Initializer))
       AddZeroInitializationStep(Entity.getType());
-    else if (DeclAccessPair Found; Initializer->getType() == Context.OverloadTy &&
-        !S.ResolveAddressOfOverloadedFunction(Initializer, DestType, /*Complain=*/false, Found))
+    else if (DeclAccessPair Found;
+             Initializer->getType() == Context.OverloadTy &&
+             !S.ResolveAddressOfOverloadedFunction(Initializer, DestType,
+                                                   /*Complain=*/false, Found))
       SetFailed(InitializationSequence::FK_AddressOfOverloadFailed);
     else if (Initializer->getType()->isFunctionType() &&
              isExprAnUnaddressableFunction(S, Initializer))
@@ -9654,8 +9656,10 @@ bool InitializationSequence::Diagnose(Sema &S,
     if (OnlyArg->getType() == S.Context.OverloadTy) {
       DeclAccessPair Found;
       if (FunctionDecl *FD = S.ResolveAddressOfOverloadedFunction(
-          OnlyArg, DestType.getNonReferenceType(), /*Complain=*/false, Found)) {
-        if (Expr *Resolved = S.FixOverloadedFunctionReference(OnlyArg, Found, FD).get())
+              OnlyArg, DestType.getNonReferenceType(), /*Complain=*/false,
+              Found)) {
+        if (Expr *Resolved =
+                S.FixOverloadedFunctionReference(OnlyArg, Found, FD).get())
           OnlyArg = Resolved;
       }
     }

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https://github.com/llvm/llvm-project/pull/90760