Hi, Here are the steps to reproduce the debugging issue: -create test.c: int main() { return 0; } -llvm-gcc -g test.c -o test.exe -gdb test.exe -(gdb) break test.c:3 >> No line 3 in file "test.c". This is with the llvm-2.3-x86-mingw32 binaries and gdb-6.8-mingw-3. Any ideas? -Argiris