[llvm] [LLVM] [X86] Fix integer overflows in frame layout for huge frames (PR #101840)

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Thu Aug 22 10:56:46 PDT 2024


arsenm wrote:

> Why backend error? If the source code is doing something erroneous, shouldn't it be a proper clang error?

It's not directly a source error, it's exceeding an encodable stack offset. Is this code ever even executed? Is it somehow relying on the overflow behavior of the stack pointer?

https://github.com/llvm/llvm-project/pull/101840


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