Merge pull request #7687 from quickfur/issue18232

Fix issue 18232: local vars in union member functions needs initializer. merged-on-behalf-of: Sebastian Wilzbach <sebi.wilzbach@gmail.com>
dlang · Jan 15, 2018 · 4cf228e · 4cf228e
2 parents 97105b8 + aa3ca3e
commit 4cf228e
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diff --git a/src/dmd/dsymbolsem.d b/src/dmd/dsymbolsem.d
@@ -785,7 +785,6 @@ private extern(C++) final class DsymbolSemanticVisitor : Visitor
         bool isBlit = false;
         d_uns64 sz;
         if (!dsym._init &&
-            !sc.inunion &&
             !(dsym.storage_class & (STC.static_ | STC.gshared | STC.extern_)) &&
             fd &&
             (!(dsym.storage_class & (STC.field | STC.in_ | STC.foreach_ | STC.parameter | STC.result)) ||

diff --git a/test/runnable/xtest46.d b/test/runnable/xtest46.d
@@ -7987,6 +7987,24 @@ struct S17915(T)
     T owner;
 }
 
+void test18232()
+{
+    static struct Canary
+    {
+        int x = 0x900D_900D;
+    }
+    union U
+    {
+        Canary method()
+        {
+            Canary c;
+            return c;
+        }
+    }
+    U u;
+    assert(u.method() == Canary.init);
+}
+
 /***************************************************/
 
 int main()
@@ -8308,6 +8326,7 @@ int main()
     test16408();
     test17349();
     test17915();
+    test18232();
 
     printf("Success\n");
     return 0;