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ghc
0001-StgCmmPrim-Add-missing-write-barrier.patch
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File 0001-StgCmmPrim-Add-missing-write-barrier.patch of Package ghc
From ca2e649101f250e444b4ac7c5204d28f236660e6 Mon Sep 17 00:00:00 2001 From: Peter Trommler <ptrommler@acm.org> Date: Fri, 9 Sep 2016 10:55:58 +0200 Subject: [PATCH] StgCmmPrim: Add missing write barrier. --- compiler/codeGen/StgCmmPrim.hs | 1 + 1 file changed, 1 insertion(+) Index: ghc-8.0.2/compiler/codeGen/StgCmmPrim.hs =================================================================== --- ghc-8.0.2.orig/compiler/codeGen/StgCmmPrim.hs +++ ghc-8.0.2/compiler/codeGen/StgCmmPrim.hs @@ -1357,6 +1357,7 @@ doWritePtrArrayOp addr idx val emit (setInfo addr (CmmLit (CmmLabel mkMAP_DIRTY_infoLabel))) -- the write barrier. We must write a byte into the mark table: -- bits8[a + header_size + StgMutArrPtrs_size(a) + x >> N] + emitPrimCall [] MO_WriteBarrier [] emit $ mkStore ( cmmOffsetExpr dflags (cmmOffsetExprW dflags (cmmOffsetB dflags addr (arrPtrsHdrSize dflags))
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