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* Go patch committed: Don't finalize methods more than once
@ 2010-12-21 22:53 Ian Lance Taylor
  0 siblings, 0 replies; only message in thread
From: Ian Lance Taylor @ 2010-12-21 22:53 UTC (permalink / raw)
  To: gcc-patches, gofrontend-dev

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This patch to the Go frontend prevents the compiler from trying to
finalize the methods for a type more than once.  This avoids an endless
loop in an invalid case.  Bootstrapped and ran Go testsuite on
x86_64-unknown-linux-gnu.  Committed to mainline.

Ian


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diff -r 7975dbfdedb1 go/types.cc
--- a/go/types.cc	Tue Dec 21 13:12:12 2010 -0800
+++ b/go/types.cc	Tue Dec 21 14:29:10 2010 -0800
@@ -3698,6 +3698,8 @@
 void
 Struct_type::finalize_methods(Gogo* gogo)
 {
+  if (this->all_methods_ != NULL)
+    return;
   Type::finalize_methods(gogo, this, this->location_, &this->all_methods_);
 }
 
@@ -6615,6 +6617,9 @@
 void
 Named_type::finalize_methods(Gogo* gogo)
 {
+  if (this->all_methods_ != NULL)
+    return;
+
   if (this->local_methods_ != NULL
       && (this->points_to() != NULL || this->interface_type() != NULL))
     {

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2010-12-21 22:53 Go patch committed: Don't finalize methods more than once Ian Lance Taylor

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