[pkg-d-commits] [ldc] 68/149: Fix detection of special reference variables

[Matthias Klumpp]

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mak pushed a commit to annotated tag v1.2.0
in repository ldc.

commit 9d4961ae2797912418c8e2bf021a17f6cf3bab3a
Author: Martin <noone at nowhere.com>
Date:   Wed Feb 1 22:52:43 2017 +0100

    Fix detection of special reference variables
    
    D2.072 apparently doesn't set the STCforeach storage class for each
    special reference anymore. So let's consider all references which aren't
    parameters, i.e., all locals with STCref, as special references.
    
    By-ref parameters are different as we simply use the LL pointer parameter as
    lvalue for the variable, no extra alloca required. Special references are
    automatically dereferenced pointers and as such occupy a dedicated alloca for
    the address.
---
 gen/llvmhelpers.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gen/llvmhelpers.cpp b/gen/llvmhelpers.cpp
index 30e8a8c..9b85d03 100644
--- a/gen/llvmhelpers.cpp
+++ b/gen/llvmhelpers.cpp
@@ -1392,7 +1392,7 @@ void callPostblit(Loc &loc, Expression *exp, LLValue *val) {
 ////////////////////////////////////////////////////////////////////////////////
 
 bool isSpecialRefVar(VarDeclaration *vd) {
-  return (vd->storage_class & STCref) && (vd->storage_class & STCforeach);
+  return (vd->storage_class & (STCref | STCparameter)) == STCref;
 }
 
 ////////////////////////////////////////////////////////////////////////////////

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