Bug 2229365

Summary:	clang error in gcc std
Product:	[Fedora] Fedora	Reporter:	alex.krivoschecov
Component:	clang16	Assignee:	Tulio Magno Quites Machado Filho <tuliom>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	38	CC:	tuliom
Target Milestone:	---	Keywords:	Regression
Target Release:	---	Flags:	tuliom: needinfo? (alex.krivoschecov)
Hardware:	x86_64
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Description alex.krivoschecov 2023-08-05 10:19:00 UTC

In file included from /usr/bin/../lib/gcc/x86_64-redhat-linux/13/../../../../include/c++/13/iostream:41: 
In file included from /usr/bin/../lib/gcc/x86_64-redhat-linux/13/../../../../include/c++/13/ostream:40: 
In file included from /usr/bin/../lib/gcc/x86_64-redhat-linux/13/../../../../include/c++/13/ios:40: 
In file included from /usr/bin/../lib/gcc/x86_64-redhat-linux/13/../../../../include/c++/13/iosfwd:42:
In file included from /usr/bin/../lib/gcc/x86_64-redhat-linux/13/../../../../include/c++/13/bits/postypes.h:40: 
In file included from /usr/bin/../lib/gcc/x86_64-redhat-linux/13/../../../../include/c++/13/cwchar:44: /usr/include/wchar.h:35:10: fatal error: 'stddef.h' file not found
#include <stddef.h>

Reproducible: Always

Steps to Reproduce:
1.Create simple hello world
2.clang++ -Wall  hello.cpp -o hello
3.error
Actual Results:  
error in std

Expected Results:  
compile a hello world programm

clang version 16.0.6(Fedora 16.0.6-4fc38
target: x86_64-redhat-linux-gnu
thread model:posix
installedDir: /usr/bin
gcc version 13.2.1 20230728(RedHat 13.2.1-1)

Comment 1 Tulio Magno Quites Machado Filho 2023-08-07 13:01:05 UTC

I can't reproduce this issue.

```
$ rpm -q clang clang-libs gcc
clang-16.0.6-2.fc38.x86_64
clang-libs-16.0.6-2.fc38.x86_64
gcc-13.2.1-1.fc38.x86_64
$ cat hello.cpp 
#include <iostream>

int main() {
  std::cout << "Hello World!" << std::endl;

  return 0;
}

$ clang++ -Wall  hello.cpp -o hello
$ ./hello 
Hello World!
```

@alex.krivoschecov Could you provide more details, please?
What is the output from `rpm -q clang clang-libs gcc` ?