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-rw-r--r--lldb/source/Core/Module.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/lldb/source/Core/Module.cpp b/lldb/source/Core/Module.cpp
index 900eea2e041..d38d403bd31 100644
--- a/lldb/source/Core/Module.cpp
+++ b/lldb/source/Core/Module.cpp
@@ -1304,10 +1304,14 @@ Module::GetObjectFile()
data_offset);
if (m_objfile_sp)
{
- // Once we get the object file, update our module with the object file's
+ // Once we get the object file, update our module with the object file's
// architecture since it might differ in vendor/os if some parts were
- // unknown.
- m_objfile_sp->GetArchitecture (m_arch);
+ // unknown. But since the matching arch might already be more specific
+ // than the generic COFF architecture, only merge in those values that
+ // overwrite unspecified unknown values.
+ ArchSpec new_arch;
+ m_objfile_sp->GetArchitecture(new_arch);
+ m_arch.MergeFrom(new_arch);
}
else
{
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