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-rw-r--r--mesonbuild/backend/vs2010backend.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/mesonbuild/backend/vs2010backend.py b/mesonbuild/backend/vs2010backend.py
index e747dfa..98d69e7 100644
--- a/mesonbuild/backend/vs2010backend.py
+++ b/mesonbuild/backend/vs2010backend.py
@@ -1159,7 +1159,8 @@ class Vs2010Backend(backends.Backend):
# Size-preserving flags
if '/Os' in o_flags:
ET.SubElement(clconf, 'FavorSizeOrSpeed').text = 'Size'
- else:
+ # Note: setting FavorSizeOrSpeed with clang-cl conflicts with /Od and can make debugging difficult, so don't.
+ elif '/Od' not in o_flags:
ET.SubElement(clconf, 'FavorSizeOrSpeed').text = 'Speed'
# Note: SuppressStartupBanner is /NOLOGO and is 'true' by default
self.generate_lang_standard_info(file_args, clconf)