[PATCH] [llgo] Roll gotools to d4e70101.

[Peter Collingbourne]

Hi axw,

Most importantly, this gives us https://go-review.googlesource.com/7533 which
fixes a bug in go/ssa that caused test failures in the Go 1.4 standard library.

Also remove the go1.4 tag workaround. We no longer need it now that we
ship llgo-go.

http://reviews.llvm.org/D8827

Files:
  irgen/compiler.go
  update_third_party.sh

Index: irgen/compiler.go
===================================================================
--- irgen/compiler.go
+++ irgen/compiler.go
@@ -216,8 +216,9 @@
 			Sizes:    compiler.llvmtypes,
 			DisableUnusedImportCheck: compiler.DisableUnusedImportCheck,
 		},
-		Build:          &buildctx.Context,
-		PackageCreated: compiler.PackageCreated,
+		ImportFromBinary: true,
+		Build:            &buildctx.Context,
+		PackageCreated:   compiler.PackageCreated,
 	}
 	// If no import path is specified, then set the import
 	// path to be the same as the package's name.
Index: update_third_party.sh
===================================================================
--- update_third_party.sh
+++ update_third_party.sh
@@ -7,7 +7,7 @@
 gccrev=216268
 
 gotoolsrepo=https://go.googlesource.com/tools
-gotoolsrev=47f2109c640e97025f36c98610bd9782e815012e
+gotoolsrev=d4e70101500b43ffe705d4c45e50dd4f1c8e3b2e
 
 tempdir=$(mktemp -d /tmp/update_third_party.XXXXXX)
 gofrontenddir=$tempdir/gofrontend
@@ -84,11 +84,6 @@
 find third_party/gotools -name '*.go' | xargs sed -i -e \
   's,"golang.org/x/tools/,"llvm.org/llgo/third_party/gotools/,g'
 
-# Until the version skew between the "go" tool and the compiler is resolved,
-# we patch out Go 1.4 specific code in go.tools.
-sed -i -e '/go1\.4/ d' third_party/gotools/go/exact/go13.go
-rm third_party/gotools/go/exact/go14.go
-
 # --------------------- license check ---------------------
 
 # We don't want any GPL licensed code without an autoconf/libtool

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