1 files changed, 29 insertions, 0 deletions
diff --git a/tests/runner.py b/tests/runner.py
index 19ef538b..5b005bc4 100755
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -1210,6 +1210,35 @@ m_divisor is 1091269979
         '''
         self.do_run(src, '*1,10,10.5,1,1.2340,0.00*')
 
+    def test_globaldoubles(self):
+        src = r'''
+          #include <stdlib.h>
+          #include <stdio.h>
+
+          double      testVu,    testVv,    testWu,    testWv;
+
+          void Test(double _testVu, double _testVv, double _testWu, double _testWv)
+          {
+              testVu = _testVu;
+              testVv = _testVv;
+              testWu = _testWu;
+              testWv = _testWv;
+              printf("BUG?\n");
+              printf("Display: Vu=%f  Vv=%f  Wu=%f  Wv=%f\n", testVu, testVv, testWu, testWv);
+          }
+
+          int main(void)
+          {
+              double v1 = 465.1;
+              double v2 = 465.2;
+              double v3 = 160.3;
+              double v4 = 111.4;
+              Test(v1, v2, v3, v4);
+              return 0;
+          }
+        '''
+        self.do_run(src, 'BUG?\nDisplay: Vu=465.100000  Vv=465.200000  Wu=160.300000  Wv=111.400000')
+
     def test_math(self):
         src = '''
           #include <stdio.h>