diff options
| -rw-r--r-- | erts/configure.in | 4 | ||||
| -rw-r--r-- | erts/emulator/sys/unix/sys_float.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/erts/configure.in b/erts/configure.in index 884307b24f..4c0d981df1 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -2908,6 +2908,10 @@ else #include <signal.h> #include <stdlib.h> +#if defined(__clang__) || defined(__llvm__) +#error "Clang/LLVM generates broken code for FP exceptions" +#endif + volatile int erl_fp_exception; /* diff --git a/erts/emulator/sys/unix/sys_float.c b/erts/emulator/sys/unix/sys_float.c index 2ffa649767..c30ef7cce2 100644 --- a/erts/emulator/sys/unix/sys_float.c +++ b/erts/emulator/sys/unix/sys_float.c @@ -85,7 +85,7 @@ static void set_current_fp_exception(unsigned long pc) void erts_fp_check_init_error(volatile unsigned long *fpexnp) { - char buf[64]; + char buf[128]; snprintf(buf, sizeof buf, "ERTS_FP_CHECK_INIT at %p: detected unhandled FPE at %p\r\n", __builtin_return_address(0), (void*)*fpexnp); if (write(2, buf, strlen(buf)) <= 0) |