This patch to the Go frontend by Cherry Zhang handles unsafe
conversion expression in escape analysis. Previously escape analysis
never saw these, but now it does for the case of a map assignment.
Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu. Committed
to mainline.
Ian
Index: gcc/go/gofrontend/MERGE
===================================================================
--- gcc/go/gofrontend/MERGE (revision 274998)
+++ gcc/go/gofrontend/MERGE (working copy)
@@ -1,4 +1,4 @@
-189ff44b2c26f29f41f0eb159e0d8f3fa508ecae
+5d15923ada640befb236d5fe94f0c724e98e99d7
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
Index: gcc/go/gofrontend/escape.cc
===================================================================
--- gcc/go/gofrontend/escape.cc (revision 274169)
+++ gcc/go/gofrontend/escape.cc (working copy)
@@ -1706,6 +1706,15 @@ Escape_analysis_assign::expression(Expre
}
break;
+ case Expression::EXPRESSION_UNSAFE_CONVERSION:
+ {
+ Unsafe_type_conversion_expression* uce =
+ (*pexpr)->unsafe_conversion_expression();
+ Node* expr_node = Node::make_node(uce->expr());
+ this->assign(n, expr_node);
+ }
+ break;
+
case Expression::EXPRESSION_FIXED_ARRAY_CONSTRUCTION:
case Expression::EXPRESSION_SLICE_CONSTRUCTION:
{
