[clang] [Clang] Improve error recovery for invalid calls (PR #136295)

[Matheus Izvekov via cfe-commits]

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@@ -34,21 +34,22 @@ void test_invalid_call_1(int s) {
 
 int some_func2(int a, int b);
 void test_invalid_call_2() {
-  // CHECK:   -RecoveryExpr {{.*}} 'int' contains-errors
+  // CHECK:   -RecoveryExpr {{.*}} '<dependent type>' contains-errors
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mizvekov wrote:

If calling ActOnCallExpr produces a better type, we can still call it inside a SFINAETrap, in order to avoid repeated diagnostics, right?

I think we still assert that we can't have a dependent type when we know we can evaluate a constraint, that happens before going into the evaluator.

https://github.com/llvm/llvm-project/pull/136295