| Issue |
134289
|
| Summary |
[clang] explicit template instantiation generates invalid symbol
|
| Labels |
clang
|
| Assignees |
|
| Reporter |
vasama
|
```
template<typename T>
void hello(T* CONST) {}
template void hello<int>(int*);
```
```
C:\Users\vasama\sandbox λ cat test.cpp
template<typename T>
void hello(T* CONST) {}
template void hello<int>(int*);
C:\Users\vasama\sandbox λ clang --version
clang version 20.1.0
Target: x86_64-pc-windows-msvc
Thread model: posix
InstalledDir: C:\Program Files\LLVM\bin
C:\Users\vasama\sandbox λ clang++ test.cpp -c -o test-0.obj -DCONST=
C:\Users\vasama\sandbox λ clang++ test.cpp -c -o test-1.obj -DCONST=const
C:\Users\vasama\sandbox λ dumpbin /SYMBOLS test-0.obj | grep hello
008 00000000 SECT4 notype () External | ??$hello@H@@YAXPEAH@Z (void __cdecl hello<int>(int *))
C:\Users\vasama\sandbox λ dumpbin /SYMBOLS test-1.obj | grep hello
008 00000000 SECT4 notype () External | ??$hello@H@@YAXQEAH@Z (void __cdecl hello<int>(int * const))
```
When targeting the MS ABI, if the function is declared with `const` parameter, the symbol is mangled with `const` parameter, despite `const` on parameters not being part of the function type.
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