Assertion failed: (irfunction->thisArg), function DtoCreateNestedContext, file ldc/gen/nested.cpp, line 433

[timotheecour]

import std.algorithm;

void test(){
    bool c;
    bool fun1(int b){   return c;   }
    int[] x;
    x.filter!fun1;

    bool[] dirs;
    dirs.filter!(a=>{return a; }());
}

$ldmd_X -c main.d
Assertion failed: (irfunction->thisArg), function DtoCreateNestedContext, file ldc/gen/nested.cpp, line 433.
0  ldc2              0x000000010aa7c170 PrintStackTrace(void*) + 34
1  ldc2              0x000000010aa7c502 SignalHandler(int) + 228
2  libsystem_c.dylib 0x00007fff98b4594a _sigtramp + 26
3  libsystem_c.dylib 0x000000010b126000 _sigtramp + 18446603342434928336
4  ldc2              0x000000010aa7c385 abort + 22
5  ldc2              0x000000010aa7c353 __assert_rtn + 53
6  ldc2              0x000000010a3d3f0b DtoCreateNestedContext(FuncDeclaration*) + 219
7  ldc2              0x000000010a3c1b85 DtoDefineFunction(FuncDeclaration*) + 2117
8  ldc2              0x000000010a40a36b Ir::emitFunctionBodies() + 95
9  ldc2              0x000000010a3cf5d4 Module::genLLVMModule(llvm::LLVMContext&, Ir*) + 850
10 ldc2              0x000000010a2af74e main + 9278
11 libdyld.dylib     0x00007fff912ce7e1 start + 0
Error: Error executing ldc2: Illegal instruction: 4

[redstar]

Thanks for the report. It crashes here, too.

[dnadlinger]

(replaced --- with three backticks in the report so it renders properly on GitHub)

[dnadlinger]

Committed a fix; still need to add a reduced (i.e. not dependent on Phobos) test case to the test suite.