[dotnet] Fix code-gen; don't use spurious $*LAST_TEMP values when we …

…have empty if/else branches. Deals with the 03-if-else.t issues spotted by mberends++.
jnthn · Oct 28, 2010 · 08272ff · 08272ff
1 parent 4af6edd
commit 08272ff
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/dotnet/compiler/DNST2CSharp.pm b/dotnet/compiler/DNST2CSharp.pm
@@ -200,10 +200,12 @@ our multi sub cs_for(DNST::If $if) {
              "        if ($*LAST_TEMP != 0) \{\n";
 
     # Compile branch(es).
+    $*LAST_TEMP := 'null';
     $code := $code ~ cs_for((@($if))[1]);
     $code := $code ~ "        $if_result = $*LAST_TEMP;\n" ~
                      "        }\n";
     if +@($if) == 3 {
+        $*LAST_TEMP := 'null';
         $code := $code ~ "        else \{\n";
         $code := $code ~ cs_for((@($if))[2]);
         $code := $code ~ "        $if_result = $*LAST_TEMP;\n" ~