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Description: Fix LLVM error on armel
GHC 8.10 fails to build on armel with the following error:
LLVM ERROR: unable to allocate function argument #8
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace.
Stack dump:
0. Program arguments: llc-12 -O2 -enable-tbaa -relocation-model=pic -mcpu=arm7tdmi -mattr=+soft-float,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-fp16,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fullfp16,-fp64,-d32,-neon,-crypto,-dotprod,-fp16fml,-bf16,-mve,-mve.fp,-fpregs,+strict-align /tmp/ghc5537_0/ghc_6.bc -o /tmp/ghc5537_0/ghc_7.lm_s
1. Running pass 'Function Pass Manager' on module '/tmp/ghc20177_0/ghc_6.bc'.
2. Running pass 'ARM Instruction Selection' on function '@"stg_gc_f1$def"'
`llc-12' failed in phase `LLVM Compiler'. (Exit code: -6)
make[3]: *** [rts/ghc.mk:325: rts/dist/build/HeapStackCheck.o] Error 1
Surprisingly, reverting commit 4540bbe2811e860f35de6e67ab2f0040592fd3a5 fixes
thie error.
Author: Ilias Tsitsimpis <iliastsi@debian.org>
Bug: https://gitlab.haskell.org/ghc/ghc/-/issues/20285
Index: b/includes/CodeGen.Platform.hs
===================================================================
--- a/includes/CodeGen.Platform.hs
+++ b/includes/CodeGen.Platform.hs
@@ -6,6 +6,7 @@ import GHC.Utils.Panic.Plain
#endif
import GHC.Platform.Reg
+#include "ghcautoconf.h"
#include "stg/MachRegs.h"
#if defined(MACHREGS_i386) || defined(MACHREGS_x86_64)
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