sdardis added a comment.
This was libunwind's test suite:
Compiled test failed unexpectedly!
********************
Testing Time: 0.53s
********************
Failing Tests (1):
libunwind :: libunwind_02.pass.cpp
Expected Passes : 3
Unexpected Failures: 1
The hacky patch I used to test n32:
--- a/test/libunwind/test/config.py
+++ b/test/libunwind/test/config.py
@@ -48,6 +48,8 @@ class Configuration(LibcxxConfiguration):
# Stack unwinding tests need unwinding tables and these are not
# generated by default on all Targets.
self.cxx.compile_flags += ['-funwind-tables']
+ self.cxx.compile_flags += ['-mabi=n33']
+ self.cxx.link_flags += ['-mabi=n32']
if not self.get_lit_bool('enable_threads', True):
self.cxx.compile_flags += ['-D_LIBUNWIND_HAS_NO_THREADS']
self.config.available_features.add('libunwind-no-threads')
https://reviews.llvm.org/D39074
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