Description:
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Trying to parse the value "[foo]\nbar=1|>baz" with process_sections = true and scanner_mode = INI_SCANNER_TYPED causes a segmentation fault in the php process.
Looks like PHP sees the | as a logical operator and tries to do something with it.

Doesn't matter whether parse_ini_string or parse_ini_file is used.

I tried this on:
 Windows 10 with PHP 7.2.3 
 Ubuntu 16.04 with PHP 7.1.14-1+ubuntu16.04.1+deb.sury.org+1
 CentOS 7.4.1708 with PHP 7.1.14

Test script:
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parse_ini_string("[foo]\nbar=1|>baz",true, \INI_SCANNER_TYPED);

Expected result:
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the code should run without errors and return ['foo'=> ['bar' => '1|>baz']]

Actual result:
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produces segmentation fault