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src: init emit_env_nonstring_warning_
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Currently there is no member initialiser for emit_env_nonstring_warning_
in the Environment constructor leading to undefined behaviour.
For a debug build, this memory would be initialized:
(lldb) memory read -f x -s 4 -c 1 &emit_env_nonstring_warning_
0x7fff5fbfe254: 0x00000001

But for a release build there will be no such initialization:
(lldb) memory read -f x -s 4 -c 1 `$r12 + 0x46c`
0x7fff5fbfe374: 0x00000000

This can be seen by running test-process-env-deprecation.js using
the Debug build and the Release build.

This commit adds a member initialiser for emit_env_nonstring_warning_
setting it to true.

PR-URL: #19283
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
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danbev committed Mar 11, 2018
1 parent 603afe2 commit a7e298a
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1 change: 1 addition & 0 deletions src/env.cc
Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,7 @@ Environment::Environment(IsolateData* isolate_data,
trace_sync_io_(false),
abort_on_uncaught_exception_(false),
emit_napi_warning_(true),
emit_env_nonstring_warning_(true),
makecallback_cntr_(0),
should_abort_on_uncaught_toggle_(isolate_, 1),
#if HAVE_INSPECTOR
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