tree c59a29943f9a0a77c25875e0fa8184306cbcfbf7
parent 1427cedcb0faa627fd89a75e009f7898c25aa86c
author Cherry Zhang <cherryyz@google.com> 1509997883 -0500
committer Ian Lance Taylor <iant@golang.org> 1510078722 +0000

compiler: don't double count "." in nested_function_num

Nested functions are named "outerfunc.$nestedN", where N is a
number. nested_function_num extracts that number. The name is
first passed to unpack_hidden_name, which handles the "." and
should result "$nestedN". Don't expect the "." again.

This fixes assertion failure when escape analysis is enabled
and -fgo-debug-escape is on. The failure looks

go1: internal compiler error: in nested_function_num, at go/gofrontend/names.cc:241
0x7bd7d3 Gogo::nested_function_num(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)

Change-Id: I6aaeb20b68a7cfc8a2073d8d0ed198aff5962bee
Reviewed-on: https://go-review.googlesource.com/76213
Reviewed-by: Ian Lance Taylor <iant@golang.org>