| Issue |
121066
|
| Summary |
diagnostic: "module not found" is reported for missing semicolon after import module statement
|
| Labels |
|
| Assignees |
|
| Reporter |
zowers
|
clang++-19.1 gives incorrect diagnostic when import module statement is not followed by semicolon:
e.g.
```
import mod1
// ^ note no semicolon
```
errors with:
```
/opt/compiler-explorer/clang-19.1.0/bin/clang++ --gcc-toolchain=/opt/compiler-explorer/gcc-14.2.0 -fcolor-diagnostics -fno-crash-diagnostics -g -std=gnu++20 -Wno-private-header -MD -MT CMakeFiles/test_mod.dir/main.cpp.o -MF CMakeFiles/test_mod.dir/main.cpp.o.d @CMakeFiles/test_mod.dir/main.cpp.o.modmap -o CMakeFiles/test_mod.dir/main.cpp.o -c /app/main.cpp
main.cpp:1:8: fatal error: module 'mod1' not found
1 | import mod1
| ~~~~~~~^~~~
```
while gcc correctly reports
```
main.cpp:1:12: error: expected ';' before end of line
1 | import mod1
| ^
| ;
```
reproduce link: https://godbolt.org/z/6x3KW6Gx9
main.cpp:
```
import mod1
// ^ note no semicolon
int main() {
return f();
}
```
mod1.cppm
```
export module mod1;
export int f()
{
return 1;
}
```
CMakeCache.txt
```
cmake_minimum_required(VERSION 3.28)
project(test_mod)
set(CMAKE_CXX_STANDARD 20)
add_executable(test_mod)
target_sources(test_mod
PUBLIC
main.cpp
)
target_sources(test_mod
PUBLIC
FILE_SET CXX_MODULES
FILES
mod1.cppm
)
```
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