Author: Armin Rigo <ar...@tunes.org>
Branch: stmgc-c4
Changeset: r66845:bd5b23f0f700
Date: 2013-09-07 20:10 +0200
http://bitbucket.org/pypy/pypy/changeset/bd5b23f0f700/
Log: Yes, it was a fix. Here's the test.
diff --git a/rpython/translator/stm/test/test_writebarrier.py
b/rpython/translator/stm/test/test_writebarrier.py
--- a/rpython/translator/stm/test/test_writebarrier.py
+++ b/rpython/translator/stm/test/test_writebarrier.py
@@ -28,6 +28,24 @@
assert len(self.writemode) == 0
assert self.barriers == ['I2R']
+ def test_simple_read_2(self):
+ X = lltype.GcStruct('X', ('foo', lltype.Signed))
+ x2 = lltype.malloc(X, immortal=True)
+ x2.foo = 81
+ null = lltype.nullptr(X)
+
+ def f1(n):
+ if n < 1:
+ p = null
+ else:
+ p = x2
+ return p.foo
+
+ res = self.interpret(f1, [4])
+ assert res == 81
+ assert len(self.writemode) == 0
+ assert self.barriers == ['I2R']
+
def test_simple_write(self):
X = lltype.GcStruct('X', ('foo', lltype.Signed))
x1 = lltype.malloc(X, immortal=True)
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