[arm] __builtin_trap should emit udf not brk #2176

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[arm] __builtin_trap should emit udf not brk#2176

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Reported upstreamThis bug was filed on LLVM’s issue tracker, Phabricator, or the kernel mailing list.This bug was filed on LLVM’s issue tracker, Phabricator, or the kernel mailing list.[ARCH] arm32This bug impacts ARCH=armThis bug impacts ARCH=arm[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

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nickdesaulniers

opened on Jul 21, 2026

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llvm/llvm-project#211032

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1. nickdesaulniers

   added

   [BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

   [ARCH] arm32This bug impacts ARCH=armThis bug impacts ARCH=arm

   Reported upstreamThis bug was filed on LLVM’s issue tracker, Phabricator, or the kernel mailing list.This bug was filed on LLVM’s issue tracker, Phabricator, or the kernel mailing list.

   on Jul 21, 2026

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Reported upstreamThis bug was filed on LLVM’s issue tracker, Phabricator, or the kernel mailing list.This bug was filed on LLVM’s issue tracker, Phabricator, or the kernel mailing list.[ARCH] arm32This bug impacts ARCH=armThis bug impacts ARCH=arm[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

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