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author | Björn Gustavsson <[email protected]> | 2010-12-02 17:22:02 +0100 |
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committer | Björn Gustavsson <[email protected]> | 2010-12-02 17:22:02 +0100 |
commit | 41ccca51c28d23094f57e826060ef8dbf424f39b (patch) | |
tree | e23784a69ba6e96fabd937ee17363681ceffbddc /lib/compiler/test | |
parent | 35a497151d6b9e6e2e42ffc4423adb305933f700 (diff) | |
parent | 2b03fbacf1ac0c06a84439baac90d418916a1778 (diff) | |
download | otp-41ccca51c28d23094f57e826060ef8dbf424f39b.tar.gz otp-41ccca51c28d23094f57e826060ef8dbf424f39b.tar.bz2 otp-41ccca51c28d23094f57e826060ef8dbf424f39b.zip |
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.erl | 44 |
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. |