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CVE-2024-31852: Llvm Local Calleesavedinfo Clearcve-2024-31852-llvm-local-calleesavedinfo-clear

Unconditionally clearing the 'Restored' flag of a register in CalleeSavedInfo during local block optimization can lead to miscompilation. CalleeSavedInfo represents global function state; modifying it locally without verifying all function paths (e.g., other return blocks) may cause registers to be left unrestored, leading to control-flow errors or crashes.

C++CVE-2024-31852CWE-682
by Provallyupdated 2026-06-12Apache-2.0
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