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Guest
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Hi,
Interesting crash when compiling the following snippet:
%%%----------------------
-module(foo, [N]).
-compile(export_all).
bug(<<V:N/unit:8>>) -> V.
%%%----------------------
This is equivalent to:
%%%----------------------
-module(foo).
-compile(export_all).
bug(<<V:N/unit:8>>, {foo, N}) -> V.
%%%----------------------
Which would normally just complain that "variable 'N' is unbound".
Here's the crash:
foo.erl:none: internal error in v3_codegen;
crash reason: {{case_clause,{'EXIT',{function_clause,
[{v3_codegen,fetch_stack,['N',[],0]},
{v3_codegen,select_extract_bin,10},
{v3_codegen,select_bin_seg,5},
{v3_codegen,select_binary,6},
{v3_codegen,match_cg,5},
{v3_codegen,match_cg,6},
{v3_codegen,
'-cg_list/5-anonymous-0-',
3},
{v3_codegen,flatmapfoldl,3},
{v3_codegen,cg_list,5},
{v3_codegen,cg_fun,4}]}}},
[{compile,'-select_passes/2-anonymous-2-',2},
{compile,'-internal_comp/4-anonymous-1-',2},
{compile,fold_comp,3},
{compile,internal_comp,4},
{compile,internal,3}]}
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