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This patch fixes an obscure bug in gnatfind that could cause it to crash on references to unknown files. The crash was caused by dereferencing an uninitialized pointer value, so it was flaky. No test is available. Tested on x86_64-pc-linux-gnu, committed on trunk 2016-07-04 Bob Duff <duff@adacore.com> * xref_lib.adb (Parse_X_Filename, Parse_Identifier_Info): Ignore unknown files. Check that File_Nr is in the range of files we know about. The previous code was checking the lower bound, but not the upper bound.
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