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| author | Andrew Kelley <superjoe30@gmail.com> | 2018-03-06 16:37:03 -0500 |
|---|---|---|
| committer | Andrew Kelley <superjoe30@gmail.com> | 2018-03-06 16:37:03 -0500 |
| commit | 07e47c058c480914d45ec0b1f9c61b76f59e6299 (patch) | |
| tree | ebbe6e0a1e2982de491708e3f538cad12a0eddda /src/ir.cpp | |
| parent | 46e258c9f76cee5b37042913c34b3a1a07cce0a6 (diff) | |
| download | zig-07e47c058c480914d45ec0b1f9c61b76f59e6299.tar.gz zig-07e47c058c480914d45ec0b1f9c61b76f59e6299.zip | |
ptrCast builtin now gives an error for removing const qualifier
closes #384
Diffstat (limited to 'src/ir.cpp')
| -rw-r--r-- | src/ir.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/ir.cpp b/src/ir.cpp index 3d1926298d..251c55df4f 100644 --- a/src/ir.cpp +++ b/src/ir.cpp @@ -16816,6 +16816,11 @@ static TypeTableEntry *ir_analyze_instruction_ptr_cast(IrAnalyze *ira, IrInstruc return ira->codegen->builtin_types.entry_invalid; } + if (get_ptr_const(src_type) && !get_ptr_const(dest_type)) { + ir_add_error(ira, &instruction->base, buf_sprintf("cast discards const qualifier")); + return ira->codegen->builtin_types.entry_invalid; + } + if (instr_is_comptime(ptr)) { ConstExprValue *val = ir_resolve_const(ira, ptr, UndefOk); if (!val) |