Sizeof alignof fixes (#9568)

fixes #9545
2018-10-30 16:41:06 +01:00 · 2018-10-30 16:41:06 +01:00 · 1ec5c6fdf5
commit 1ec5c6fdf5
parent 432a4d1787
2 changed files with 15 additions and 1 deletions
--- a/compiler/sizealignoffsetimpl.nim
+++ b/compiler/sizealignoffsetimpl.nim
@ -122,7 +122,7 @@ proc computeObjectOffsetsFoldFunction(conf: ConfigRef; n: PNode, initialOffset:
    let size = n.sym.typ.size
    let align = n.sym.typ.align
    result.align = align
-    if initialOffset == szUnknownSize:
+    if initialOffset == szUnknownSize or size == szUnknownSize:
      n.sym.offset = szUnknownSize
      result.offset = szUnknownSize
    else:
--- a/tests/misc/tsizeof.nim
+++ b/tests/misc/tsizeof.nim
@ -350,5 +350,19 @@ testinstance:

  main()

+{.emit: """/*TYPESECTION*/
+typedef struct{
+  float a; float b;
+} Foo;
+""".}
+
+type
+  Foo {.importc.} = object
+
+  Bar = object
+    b: byte
+    foo: Foo
+
+assert sizeof(Bar) == 12

 echo "OK"