[clang] [ExprConstant] Handle shift overflow the same way as other kinds of overflow (PR #99579)
Richard Smith via cfe-commits
cfe-commits at lists.llvm.org
Thu Jul 18 16:21:49 PDT 2024
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@@ -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}} \
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zygoloid wrote:
Hm. Why do we stop folding here but start folding in enumerator values?
https://github.com/llvm/llvm-project/pull/99579
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