--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/decl-global-ext.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,13 @@ +int merror = 0; +extern int merror; + +void mtherr (int code) +{ + merror = code + 1; +} + +int main() +{ + mtherr(7); + return 0; +}