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authorAndrew Kelley <superjoe30@gmail.com>2018-06-26 15:27:41 -0400
committerAndrew Kelley <superjoe30@gmail.com>2018-06-26 15:27:41 -0400
commit11ca38a4e9c637bf6ff635f4f62634edaf89f853 (patch)
treed5cce0cbb97bd4c7756b591066d5f10152aa8bb1 /src
parentaf95e1557214df4a1a34a712efc2f8dafb502c82 (diff)
downloadzig-11ca38a4e9c637bf6ff635f4f62634edaf89f853.tar.gz
zig-11ca38a4e9c637bf6ff635f4f62634edaf89f853.zip
fix crash for optional pointer to empty struct
closes #1153
Diffstat (limited to 'src')
-rw-r--r--src/ir.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/ir.cpp b/src/ir.cpp
index 1930bbb248..76178f2437 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -7985,9 +7985,10 @@ static ConstCastOnly types_match_const_cast_only(IrAnalyze *ira, TypeTableEntry
// * and [*] can do a const-cast-only to ?* and ?[*], respectively
// but not if there is a mutable parent pointer
+ // and not if the pointer is zero bits
if (!wanted_is_mutable && wanted_type->id == TypeTableEntryIdOptional &&
wanted_type->data.maybe.child_type->id == TypeTableEntryIdPointer &&
- actual_type->id == TypeTableEntryIdPointer)
+ actual_type->id == TypeTableEntryIdPointer && type_has_bits(actual_type))
{
ConstCastOnly child = types_match_const_cast_only(ira,
wanted_type->data.maybe.child_type, actual_type, source_node, wanted_is_mutable);