| Issue |
132822
|
| Summary |
Comma expressions rejected in #if for C++23
|
| Labels |
|
| Assignees |
|
| Reporter |
kyuupichan
|
#if 1 ? 1, 0: 3
#error
#endif
clang -E --std=c++23 --pedantic-errors /tmp/bug.cpp gives:
```
tmp/bug.cpp:1:10: error: comma operator in operand of #if [-Werror,-Wpedantic]
1 | #if 1 ? 1, 0: 3
| ~^ ~
```
1 error generated.
I believe that the comma operator has been permitted in constant expressions in C++ since about C++11. If true, this should be accepted.
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