motiejus/zig
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never call malloc with size 0

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instead we return nullptr. this makes the behavior consistent
across all platforms.

closes #1044
closes #1045
This commit is contained in:
Andrew Kelley
2018-06-04 14:09:31 -04:00
parent d21a1922eb
commit 32e0dfd4f0
2 changed files with 18 additions and 5 deletions
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4
src/analyze.cpp
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@@ -1860,7 +1860,7 @@ static void resolve_struct_type(CodeGen *g, TypeTableEntry *struct_type) {
}
assert(!struct_type->data.structure.zero_bits_loop_flag);
assert(struct_type->data.structure.fields);
assert(struct_type->data.structure.fields || struct_type->data.structure.src_field_count == 0);
assert(decl_node->type == NodeTypeContainerDecl);
size_t field_count = struct_type->data.structure.src_field_count;
@@ -2677,8 +2677,8 @@ static void resolve_union_zero_bits(CodeGen *g, TypeTableEntry *union_type) {
return;
}
tag_type = enum_type;
abi_alignment_so_far = get_abi_alignment(g, enum_type); // this populates src_field_count
covered_enum_fields = allocate<bool>(enum_type->data.enumeration.src_field_count);
abi_alignment_so_far = get_abi_alignment(g, enum_type);
} else {
tag_type = nullptr;
abi_alignment_so_far = 0;