zmodem wrote:
After this change we're running into #34485 ("ASan strtol interceptor breaks
errno on Windows"):
```
C:\src\chromium\src>type a.cc
#include <stdio.h>
#include <stdlib.h>
int main() {
errno = 0;
long result = strtol("2147483648", nullptr, 10);
printf("errno: %d\n", errno);
printf("result: %ld\n", result);
return 0;
}
C:\src\chromium\src>"third_party\llvm-build\Release+Asserts\bin\clang-cl.exe"
a.cc /Feout\Release\a.exe && out\Release\a.exe
errno: 34
result: 2147483647
C:\src\chromium\src>"third_party\llvm-build\Release+Asserts\bin\clang-cl.exe"
-fsanitize=address a.cc /Feout\Release\a.exe && out\Release\a.exe
errno: 0
result: 2147483647
```
That's an old bug, but it wasn't a problem in Chromium until this runtime
change.
It sounds like Visual Studio users also hit this before:
https://developercommunity.visualstudio.com/t/Cannot-detect-strtol-range-errors-with-A/10412869
Do you know what the fix for that was?
https://github.com/llvm/llvm-project/pull/107899
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