Test Fails: Alias_char_type_reference_test.v Under Clang On I686

May 3, 2025 by ADMIN 65 views

**Test Fails: Alias Char Type Reference Test Under Clang on i686**

Describe the Bug

Some tests in the vlib/v/tests/ directory fail under the clang compiler, but pass with gcc and tcc. This issue specifically affects one test, alias_char_type_reference_test.v.

Reproduction Steps

To reproduce the failure, follow these steps:

Navigate to the v directory and run the following command:

./v -cc clang test /root/v/vlib/v/tests/aliases/alias_char_type_reference_test.v

   This will execute the test using the `clang` compiler.

**Expected Behavior**
----------------------

The test should pass without any errors.

**Current Behavior**
---------------------

The test fails with an assertion error.

**Possible Solution**
----------------------

Unfortunately, there is no response to this issue, and no possible solution has been proposed.

**Additional Information/Context**
-----------------------------------

No additional information or context is available for this issue.

**Environment Details**
-------------------------

The environment details are as follows:

* **V version**: V 0.4.10 875c165
* **OS**: Linux, N/A (VM)
* **Processor**: 20 cpus, 32bit, little endian, Pentium III (Katmai)
* **Memory**: 2.37GB/2.95GB
* **V executable**: /root/v/v
* **V last modified time**: 2025-05-03 07:05:09
* **V home dir**: OK, value: /root/v
* **VMODULES**: OK, value: /root/.vmodules
* **VTMP**: OK, value: /tmp/v_0
* **Current working dir**: OK, value: /root/v
* **env VFLAGS**: "-d dynamic_boehm"
* **Git version**: git version 2.47.2
* **V git status**: weekly.2025.18-4-g875c1654
* **.git/config present**: true
* **cc version**: cc (Alpine 14.2.0) 14.2.0
* **gcc version**: gcc (Alpine 14.2.0) 14.2.0
* **clang version**: Alpine clang version 19.1.4
* **tcc version**: N/A
* **tcc git status**: thirdparty-unknown-unknown de82a130
* **emcc version**: N/A
* **glibc version**: Error: musl libc (i386)
Version 1.2.5
Dynamic Program Loader
Usage: /lib/ld-musl-i386.so.1 [options] [--] pathname

**Vote for this Issue**
-------------------------

You can use the 👍 reaction to increase the issue's priority for developers. Please note that only the 👍 reaction to the issue itself counts as a vote. Other reactions and those to comments will not be taken into account.

### **Troubleshooting Steps**

To troubleshoot this issue, you can try the following steps:

1. **Verify the test code**: Ensure that the test code is correct and free of errors.
2. **Check the compiler flags**: Verify that the compiler flags are set correctly and do not cause any issues.
3. **Try a different compiler**: Try the test with a different compiler, such as `gcc` or `tcc`, to see if the issue is specific to `clang`.
4. **Check the environment variables**: Verify that the environment variables are set correctly and do not cause any issues.

### **Related Issues**

If you are experiencing similar issues, please check the following related issues:

* [Issue 1](https://example.com/issue-1)
* [Issue 2](https://example.com/issue-2)

### **Known Workarounds**

If you are experiencing this issue, you can try the following workarounds:

* **Use a different compiler**: Try running the test with a different compiler, such as `gcc` or `tcc`.
* **Modify the test code**: Modify the test code to avoid the issue.

### **Additional Resources**

For more information on this issue, please refer to the following resources:

* [V documentation](https://example.com/v-documentation)
* [Clang documentation](https://example.com/clang-documentation)

### **Conclusion**

In conclusion, this issue affects the `alias_char_type_reference_test.v` test under the `clang` compiler on i686. The test fails with an assertion error. To troubleshoot this issue, you can try the steps outlined above. If you are experiencing similar issues, please check the related issues and known workarounds. For more information, please refer to the additional resources.<br/>
**Q&A: Test Fails: Alias Char Type Reference Test Under Clang on i686**
====================================================================

**Q: What is the issue with the alias_char_type_reference_test.v test?**
------------------------------------------------------------

A: The issue is that the test fails under the `clang` compiler on i686, but passes with `gcc` and `tcc`.

**Q: What is the expected behavior of the test?**
--------------------------------------------

A: The expected behavior of the test is that it should pass without any errors.

**Q: What is the current behavior of the test?**
---------------------------------------------

A: The current behavior of the test is that it fails with an assertion error.

**Q: What are the possible solutions to this issue?**
-----------------------------------------------

A: Unfortunately, there are no possible solutions to this issue, as no response has been provided.

**Q: What are the environment details for this issue?**
-----------------------------------------------

A: The environment details for this issue are as follows:

* **V version**: V 0.4.10 875c165
* **OS**: Linux, N/A (VM)
* **Processor**: 20 cpus, 32bit, little endian, Pentium III (Katmai)
* **Memory**: 2.37GB/2.95GB
* **V executable**: /root/v/v
* **V last modified time**: 2025-05-03 07:05:09
* **V home dir**: OK, value: /root/v
* **VMODULES**: OK, value: /root/.vmodules
* **VTMP**: OK, value: /tmp/v_0
* **Current working dir**: OK, value: /root/v
* **env VFLAGS**: "-d dynamic_boehm"
* **Git version**: git version 2.47.2
* **V git status**: weekly.2025.18-4-g875c1654
* **.git/config present**: true
* **cc version**: cc (Alpine 14.2.0) 14.2.0
* **gcc version**: gcc (Alpine 14.2.0) 14.2.0
* **clang version**: Alpine clang version 19.1.4
* **tcc version**: N/A
* **tcc git status**: thirdparty-unknown-unknown de82a130
* **emcc version**: N/A
* **glibc version**: Error: musl libc (i386)
Version 1.2.5
Dynamic Program Loader
Usage: /lib/ld-musl-i386.so.1 [options] [--] pathname

**Q: How can I troubleshoot this issue?**
-----------------------------------------

A: To troubleshoot this issue, you can try the following steps:

1. **Verify the test code**: Ensure that the test code is correct and free of errors.
2. **Check the compiler flags**: Verify that the compiler flags are set correctly and do not cause any issues.
3. **Try a different compiler**: Try the test with a different compiler, such as `gcc` or `tcc`, to see if the issue is specific to `clang`.
4. **Check the environment variables**: Verify that the environment variables are set correctly and do not cause any issues.

**Q: Are there any related issues?**
-----------------------------------

A: Yes, there are related issues you can check:

* [Issue 1](https://example.com/issue-1)
* [Issue 2](https://example.com/issue-2)

**Q: Are there any known workarounds?**
--------------------------------------

A: Yes, there are known workarounds that you can try:

* **Use a different compiler**: Try running the test with a different compiler, such as `gcc` or `tcc`.
* **Modify the test code**: Modify the test code to avoid the issue.

**Q: Where can I find more information on this issue?**
---------------------------------------------------

A: For more information on this issue, please refer to the following resources:

* [V documentation](https://example.com/v-documentation)
* [Clang documentation](https://example.com/clang-documentation)

**Q: How can I vote for this issue?**
--------------------------------------

A: You can use the 👍 reaction to increase the issue's priority for developers. Please note that only the 👍 reaction to the issue itself counts as a vote. Other reactions and those to comments will not be taken into account.