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-rwxr-xr-xclang/utils/ABITest/ABITestGen.py9
1 files changed, 8 insertions, 1 deletions
diff --git a/clang/utils/ABITest/ABITestGen.py b/clang/utils/ABITest/ABITestGen.py
index 8f922d7e52f..5b9756b5450 100755
--- a/clang/utils/ABITest/ABITestGen.py
+++ b/clang/utils/ABITest/ABITestGen.py
@@ -193,9 +193,16 @@ class TypePrinter:
yield '(%s) -1'%(t.name,)
yield '(%s) 1'%(t.name,)
elif isinstance(t, RecordType):
- fieldValues = [list(self.getTestValues(f)) for f in t.fields]
if not t.fields:
yield '{ }'
+ return
+ # FIXME: Use designated initializers to access non-first
+ # fields of unions.
+ if t.isUnion:
+ for v in self.getTestValues(t.fields[0]):
+ yield '{ %s }' % v
+ return
+ fieldValues = [list(self.getTestValues(f)) for f in t.fields]
for i,values in enumerate(fieldValues):
for v in values:
elements = map(random.choice,fieldValues)
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