zig

commit 24deb1a7fe955202335ed7540fa20a43ae6eca36 (tree)
parent efc2237e5a545fac94ecc9c9757d202bda322abd
Author: Michael Dusan <michael.dusan@gmail.com>
Date:   Tue,  6 Aug 2019 12:24:52 -0400

fix @bitCast segfault with literal array param

closes #3010

Diffstat:
M
src/ir.cpp
 | 
2
+-
M
test/stage1/behavior/bitcast.zig
 | 
5
+++++

2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/ir.cpp b/src/ir.cpp
@@ -24561,7 +24561,7 @@ static IrInstruction *ir_analyze_instruction_bit_cast_src(IrAnalyze *ira, IrInst
 
     IrInstruction *result_loc = ir_resolve_result(ira, &instruction->base,
             &instruction->result_loc_bit_cast->base, operand->value.type, operand, false, false, true);
-    if (result_loc != nullptr && (type_is_invalid(result_loc->value.type) || instr_is_unreachable(result_loc)))
+    if (result_loc != nullptr && !(type_is_invalid(result_loc->value.type) || instr_is_unreachable(result_loc)))
         return result_loc;
 
     return instruction->result_loc_bit_cast->parent->gen_instruction;
diff --git a/test/stage1/behavior/bitcast.zig b/test/stage1/behavior/bitcast.zig
@@ -125,3 +125,8 @@ test "implicit cast to error union by returning" {
     S.entry();
     comptime S.entry();
 }
+
+// issue #3010: compiler segfault
+test "bitcast literal [4]u8 param to u32" {
+    const ip = @bitCast(u32, [_]u8{ 255, 255, 255, 255 });
+}