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-rw-r--r--compiler/semtypinst.nim5
-rw-r--r--tests/generics/tgenerics_various.nim11
2 files changed, 13 insertions, 3 deletions
diff --git a/compiler/semtypinst.nim b/compiler/semtypinst.nim
index ebe822cdf..ceabd8e60 100644
--- a/compiler/semtypinst.nim
+++ b/compiler/semtypinst.nim
@@ -300,7 +300,6 @@ proc instCopyType*(cl: var TReplTypeVars, t: PType): PType =
 proc handleGenericInvocation(cl: var TReplTypeVars, t: PType): PType =
   # tyGenericInvocation[A, tyGenericInvocation[A, B]]
   # is difficult to handle:
-  const eqFlags = eqTypeFlags + {tfGcSafe}
   var body = t.sons[0]
   if body.kind != tyGenericBody:
     internalError(cl.c.config, cl.info, "no generic body")
@@ -311,7 +310,7 @@ proc handleGenericInvocation(cl: var TReplTypeVars, t: PType): PType =
   else:
     result = searchInstTypes(t)
 
-  if result != nil and eqFlags*result.flags == eqFlags*t.flags:
+  if result != nil and sameFlags(result, t):
     when defined(reportCacheHits):
       echo "Generic instantiation cached ", typeToString(result), " for ", typeToString(t)
     return
@@ -329,7 +328,7 @@ proc handleGenericInvocation(cl: var TReplTypeVars, t: PType): PType =
   if header != t:
     # search again after first pass:
     result = searchInstTypes(header)
-    if result != nil and eqFlags*result.flags == eqFlags*t.flags:
+    if result != nil and sameFlags(result, t):
       when defined(reportCacheHits):
         echo "Generic instantiation cached ", typeToString(result), " for ",
           typeToString(t), " header ", typeToString(header)
diff --git a/tests/generics/tgenerics_various.nim b/tests/generics/tgenerics_various.nim
index 9e6186534..656bfa566 100644
--- a/tests/generics/tgenerics_various.nim
+++ b/tests/generics/tgenerics_various.nim
@@ -242,3 +242,14 @@ block tvarargs_vs_generics:
   withDirectType "string"
   withOpenArray "string"
   withVarargs "string"
+
+block:
+  type
+    Que[T] {.gcsafe.} = object
+      x: T
+
+  proc `=`[T](q: var Que[T]; x: Que[T]) =
+    discard
+
+  var x: Que[int]
+  doAssert(x.x == 0)