compiler: Don't crash if receiver name is _.

From-SVN: r183359

compiler: Don't crash if receiver name is _.
From-SVN: r183359
032120b2 · Ian Lance Taylor · 435bcccd · 032120b2
Commit 032120b2 authored Jan 20, 2012 by Ian Lance Taylor
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gcc/go/gofrontend/gogo.cc
+2 -1

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--- a/gcc/go/gofrontend/gogo.cc
+++ b/gcc/go/gofrontend/gogo.cc
@@ -637,7 +637,8 @@ Gogo::start_function(const std::string& name, Function_type* type,
 	  ++count;
 	  name = buf;
 	}
-      block->bindings()->add_variable(name, NULL, this_param);
+      if (!Gogo::is_sink_name(name))
+	block->bindings()->add_variable(name, NULL, this_param);
    }

  const Typed_identifier_list* parameters = type->parameters();