https://llvm.org/bugs/show_bug.cgi?id=29153
Bug ID: 29153
Summary: libunwind build fails because __builtin_unreachable is
used
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: ARM
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
I'm building libunwind-1.1 for Arm CortexA8 using gcc 4.3.3.
I get an error linking during libunwind build that __builtin_unreachable isn't
defined.
Basically, the this is bug-22198, except the offending source file is
src/arm/Gresume.c. I used the same solution as bug-22198. Replace
__builtin_unreachable with __builtin_trap.
This allows the library to build, and when I create a test application to use
the library it works.
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