On 02/23/2017 05:02 PM, Martin Sebor wrote:
On 02/23/2017 06:51 AM, Stephan Bergmann wrote:At least with a recent GCC 7 trunk build ("gcc (GCC) 7.0.1 20170221 (experimental)"), I noticed that -Wformat-truncation warnings happen to not be emitted if and only if -Og is given:That's unfortunately a bug. The warning runs at different stages depending on whether or not optimization is enabled and it looks like the global GCC variable it uses to determine this is not set for -Og. Can you please open a bug in Bugzilla?
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79691> "-Wformat-truncation suppressed by (and only by) -Og"
