================
@@ -142,7 +142,7 @@ constexpr int arb(int n) { // expected-note {{declared
here}}
expected-note {{function parameter 'n' with unknown value
cannot be used in a constant expression}}
}
constexpr long Overflow[(1 << 30) << 2]{}; // expected-warning {{requires 34
bits to represent}} \
- expected-warning {{variable
length array folded to constant array as an extension}} \
+ expected-error {{variable length
array declaration not allowed at file scope}} \
----------------
efriedma-quic wrote:
The diagnostic shouldn't be hard to fix; it's just a matter of using the form
of Evaluate() that returns notes.
For the actual behavior here... we could pass the flag to allow undefined
behavior when we do this folding, I guess, but I'd rather not. Or if we do, it
should be a DefaultError diagnostic.
https://github.com/llvm/llvm-project/pull/99579
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