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[libunwind] Always use unwind tables in tests

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For many targets setting -fno-exceptions will prevent unwinding tables from
being generated for the test programs. As libunwind depends on the tables to
unwind the stack several tests will fail.

This change always adds -funwind-tables so that even when -fno-exceptions
is set unwind tables are generated.

fixes PR33858

Differential Revision: https://reviews.llvm.org/D37484

llvm-svn: 316657
This commit is contained in:
Peter Smith 2017-10-26 12:02:03 +00:00
parent b633acac9f
commit 7f6e910745
1 changed files with 4 additions and 3 deletions
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7
libunwind/test/libunwind/test/config.py
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@ -43,10 +43,11 @@ class Configuration(LibcxxConfiguration):
def configure_compile_flags(self):
self.cxx.compile_flags += ['-DLIBUNWIND_NO_TIMER']
if self.get_lit_bool('enable_exceptions', True):
self.cxx.compile_flags += ['-funwind-tables']
else:
if not self.get_lit_bool('enable_exceptions', True):
self.cxx.compile_flags += ['-fno-exceptions', '-DLIBUNWIND_HAS_NO_EXCEPTIONS']
# Stack unwinding tests need unwinding tables and these are not
# generated by default on all Targets.
self.cxx.compile_flags += ['-funwind-tables']
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')