[llvm-branch-commits] [clang] release/19.x: [ExprConstant] Handle shift overflow the same way as other kinds of overflow (#99579) (PR #100452)

[Aaron Ballman via llvm-branch-commits]

AaronBallman wrote:

Just what was hopefully already merged: 
- Clang now diagnoses undefined behavior in constant expressions more consistently. This includes invalid shifts, and signed overflow in arithmetic.

https://github.com/llvm/llvm-project/pull/100452