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[TG-2684] Bugfix/fix bootstrapmethods empty optional #1908

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Merged
mgudemann merged 2 commits into from
Mar 7, 2018
Merged

[TG-2684] Bugfix/fix bootstrapmethods empty optional #1908

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0ed21ca
Treat empty optional case separately
Mar 5, 2018
0fd6482
Add regression test
Mar 5, 2018
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Binary file added regression/cbmc-java/lambda2/SymStream.class
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1 change: 1 addition & 0 deletions regression/cbmc-java/lambda2/readme.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
from https://github.com/symphonyoss/symphony-java-client/
9 changes: 9 additions & 0 deletions regression/cbmc-java/lambda2/test.desc
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
KNOWNBUG
SymStream.class
--verbosity 10 --show-goto-functions
lambda function reference org/symphonyoss/symphony/clients/model/SymUser\.toSymUser in class \"SymStream\"
^EXIT=0
^SIGNAL=0
--
--
lambda functions without "lambda$" prefix aren't recognized currently TG-2691
8 changes: 8 additions & 0 deletions regression/cbmc-java/lambda2/test_no_crash.desc
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@@ -0,0 +1,8 @@
CORE
SymStream.class
--verbosity 10 --show-goto-functions
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@thk123 thk123 Mar 5, 2018

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Perhaps add EXIT=0 to ensure it really doesn't crash!

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@tautschnig tautschnig Mar 5, 2018

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+1, and add SIGNAL - cf. #1905.

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@mgudemann mgudemann Mar 7, 2018

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I completed the regression tests with tests on EXIT and SIGNAL

^EXIT=0
^SIGNAL=0
--
--
just to test that it doesn't crash in this situation, cf. TG-2684
14 changes: 11 additions & 3 deletions src/java_bytecode/java_bytecode_parser.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1893,10 +1893,18 @@ void java_bytecode_parsert::read_bootstrapmethods_entry(classt &parsed_class)
optionalt<lambda_method_handlet> lambda_method_handle =
parse_method_handle(method_handle_infot{method_handle_argument});

if(
!lambda_method_handle.has_value() ||
if(!lambda_method_handle.has_value())
{
lambda_method_handlet lambda_method_handle;
lambda_method_handle.handle_type = method_handle_typet::UNKNOWN_HANDLE;
lambda_method_handle.u2_values = std::move(u2_values);
parsed_class.lambda_method_handle_map[{parsed_class.name, i}] =
lambda_method_handle;
return;
}
else if(
lambda_method_handle->handle_type !=
method_handle_typet::LAMBDA_METHOD_HANDLE)
method_handle_typet::LAMBDA_METHOD_HANDLE)
{
lambda_method_handle->u2_values = std::move(u2_values);
error() << "ERROR: could not parse lambda function method handle"
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