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authorBjörn Gustavsson <[email protected]>2010-12-02 17:22:02 +0100
committerBjörn Gustavsson <[email protected]>2010-12-02 17:22:02 +0100
commit41ccca51c28d23094f57e826060ef8dbf424f39b (patch)
treee23784a69ba6e96fabd937ee17363681ceffbddc /lib/compiler/test
parent35a497151d6b9e6e2e42ffc4423adb305933f700 (diff)
parent2b03fbacf1ac0c06a84439baac90d418916a1778 (diff)
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Merge branch 'bjorn/fix-compiler-bugs/OTP-8949' into dev
* bjorn/fix-compiler-bugs/OTP-8949: beam_utils: Fix check_liveness/3 for receive loops beam_utils: Fix liveness analysis for gc_bif instructions
Diffstat (limited to 'lib/compiler/test')
-rw-r--r--lib/compiler/test/compilation_SUITE.erl44
1 files changed, 42 insertions, 2 deletions
diff --git a/lib/compiler/test/compilation_SUITE.erl b/lib/compiler/test/compilation_SUITE.erl
index 9c06740816..935e384d2d 100644
--- a/lib/compiler/test/compilation_SUITE.erl
+++ b/lib/compiler/test/compilation_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -46,7 +46,7 @@ all(suite) ->
trycatch_4, opt_crash,
otp_5404,otp_5436,otp_5481,otp_5553,otp_5632,
otp_5714,otp_5872,otp_6121,otp_6121a,otp_6121b,
- otp_7202,otp_7345,on_load,string_table
+ otp_7202,otp_7345,on_load,string_table,otp_8949_a,otp_8949_a
].
-define(comp(N),
@@ -606,5 +606,45 @@ string_table(Config) when is_list(Config) ->
?line {"StrT", <<"stringabletringtable">>} = StringTableChunk,
ok.
+otp_8949_a(Config) when is_list(Config) ->
+ value = otp_8949_a(),
+ ok.
+
+-record(cs, {exs,keys = [],flags = 1}).
+-record(exs, {children = []}).
+
+otp_8949_a() ->
+ case id([#cs{}]) of
+ [#cs{}=Cs] ->
+ SomeVar = id(value),
+ if
+ Cs#cs.flags band 1 =/= 0 ->
+ id(SomeVar);
+ (((Cs#cs.exs)#exs.children /= [])
+ and
+ (Cs#cs.flags band (1 bsl 0 bor (1 bsl 22)) == 0));
+ Cs#cs.flags band (1 bsl 22) =/= 0 ->
+ ok
+ end
+ end.
+
+otp_8949_b(Config) when is_list(Config) ->
+ self() ! something,
+ ?line value = otp_8949_b([], false),
+ ?line {'EXIT',_} = (catch otp_8949_b([], true)),
+ ok.
+
+%% Would cause an endless loop in beam_utils.
+otp_8949_b(A, B) ->
+ Var = id(value),
+ if
+ A == [], B == false ->
+ ok
+ end,
+ receive
+ something ->
+ id(Var)
+ end.
+
id(I) -> I.