https://issues.dlang.org/show_bug.cgi?id=17657
Issue ID: 17657 Summary: wrong line number when optimized (dmd -O -g) Product: D Version: D2 Hardware: Other OS: Other Status: NEW Severity: enhancement Priority: P1 Component: dmd Assignee: nob...@puremagic.com Reporter: kde...@vogtner.de Wrong linenumer is reported for this code linenonullable.d --- 1 import std.stdio; 2 import std.typecons; 3 4 void main () 5 { 6 Nullable!int i; 7 if (i.isNull) { 8 "X".writeln; 9 int j = i; 10 } 11 } When compiled with dmd -g the output is X core.exception.AssertError@[...]: Called `get' on null Nullable!int. ---------------- [...] linenonullable.d:9_Dmain [0x4456eb] [...] when compiled with dmd -O -g I get [...] linenonullable.d:7 _Dmain [0x4456eb] [...] Expected: Same lineno. as in the unoptimized case is reported. --