Exit unwinding early when at the top of the stack and additional info won't be found.
Summary:
This patch follows libgcc's lead: When the return-address register is
zero, there won't be additional stack frames to examine, or gather
information about. Exit before spending time looking for something
known not to be found.
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D77099
Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 71fbd6e40632f437049215904c28ad9d63cff4bc
1 file changed