motiejus/zig
1
Fork 0
Code Releases Activity

fix compiler crash in struct field pointers

Browse Source 
when the llvm type has not been fully analyzed. This is a regression
from lazy values.
This commit is contained in:
Andrew Kelley
2019-09-03 14:51:34 -04:00
parent e673d865fb
commit be17a4b6c1
2 changed files with 40 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/codegen.cpp
View File

@@ -4113,6 +4113,8 @@ static LLVMValueRef ir_render_call(CodeGen *g, IrExecutable *executable, IrInstr
static LLVMValueRef ir_render_struct_field_ptr(CodeGen *g, IrExecutable *executable,
IrInstructionStructFieldPtr *instruction)
{
Error err;
if (instruction->base.value.special != ConstValSpecialRuntime)
return nullptr;
@@ -4130,6 +4132,11 @@ static LLVMValueRef ir_render_struct_field_ptr(CodeGen *g, IrExecutable *executa
return struct_ptr;
}
ZigType *struct_type = (struct_ptr_type->id == ZigTypeIdPointer) ?
struct_ptr_type->data.pointer.child_type : struct_ptr_type;
if ((err = type_resolve(g, struct_type, ResolveStatusLLVMFull)))
report_errors_and_exit(g);
assert(field->gen_index != SIZE_MAX);
return LLVMBuildStructGEP(g->builder, struct_ptr, (unsigned)field->gen_index, "");
}