Internal Error: Sub-system: AMERGE, File: /quartus/atm/amerge/amerge_kpt_op.cpp, Line: 169

Hi,

Can you provide a sample test case to replicate the error?

Thanks.

Hello. I did not try to significantly reduce my project. This is not an easy task. I am sending the archive of the Quartus project to the address supportreplies@intel.com . I really hope that Intel will find a solution to this difficult problem!

Hi,

I have sent you a message, please confirm.

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Thanks.

Hi,

I found a solution to the problem myself!

I used the external VHDL editor of the source text, because the Quartus editor does not work correctly with the Russian font.

When describing the signal

signal C1_ret_bits: std_logic_vector (4 downto 0);

I mistakenly used the Russian letter C.

But what is surprising is that the previous compilation of the project project was successful. This erroneous description of the signal did not immediately cause Quartus's internal error, but only with the next complication of my project.

I managed to localize the problem only after I saved the VHDL source code with the Quartus editor.

Only after saving the source text with the quartus editor did you get a syntax error during compilation!

- This is a real surprise for me. I have been using Quartus for over 10 years.

I created a simple example. If this source file created by an external editor is compiled in Quartus, then Quartus does not detect a syntax error. Quartus will detect a sitnax error only after saving this file with the quartus editor!

If you complicate this project, then perhaps an internal quartus error will occur. But until this dead end event, the user has no problems!

Based on the detected Quartus parsing problem, I would like to receive professional recommendations from Intel specialists for the case of preparing the source texts of a VHDL project using third-party text editor programs in a multilingual environment. What software can detect non-English letters inside project source code files, excluding comments, before compiling a project in Quartus?

It is extremely inconvenient to save files each time by the Quartus editor with possible damage to non-English comments.

And here is a specially created simple project with Russian letters, leading to the above internal quartus error. I post the source code and a screenshot.

Only after saving the file with the Quartus editor are syntax errors found correctly.