March 19, 2019 [Issue 19753] New: Array ops should not need TypeInfo | ||||
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https://issues.dlang.org/show_bug.cgi?id=19753 Issue ID: 19753 Summary: Array ops should not need TypeInfo Product: D Version: D2 Hardware: All URL: http://dlang.org/ OS: All Status: NEW Severity: major Priority: P3 Component: dmd Assignee: nobody@puremagic.com Reporter: Ajieskola@gmail.com The following snippet does not compile with the -betterC flag: ``` __gshared int[2] a = [5, 5]; __gshared int[2] b = [7, 5]; __gshared int[2] c; extern (C) export void _start(){c[] = a[] + b[];} ``` Error message (with both dmd 2.085.0 ldc 1.14.0) is `[compiler import path]\druntime\import\object.d(4502): Error: TypeInfo cannot be used with -betterC`. By removing the array addition operation, this example compiles. Unless I'm mistaken, the program should not need runtime type information to perform an array operation like this, and thus it should be doable in better C mode. -- |
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