1 files changed, 92 insertions, 0 deletions
diff --git a/src/cmd/go/testdata/script/gcflags_patterns.txt b/src/cmd/go/testdata/script/gcflags_patterns.txt
new file mode 100644
index 0000000..f23cece
--- /dev/null
+++ b/src/cmd/go/testdata/script/gcflags_patterns.txt
@@ -0,0 +1,92 @@
+env GO111MODULE=off
+
+[!gc] skip 'using -gcflags and -ldflags'
+[short] skip
+
+env GOCACHE=$WORK/gocache  # Looking for compile commands, so need a clean cache.
+
+# -gcflags=-e applies to named packages, not dependencies
+go build -n -v -gcflags=-e z1 z2
+stderr 'compile.* -e.* -p z1'
+stderr 'compile.* -e.* -p z2'
+stderr 'compile.* -p y'
+! stderr 'compile.* -e.* -p [^z]'
+
+# -gcflags can specify package=flags, and can be repeated; last match wins
+go build -n -v -gcflags=-e -gcflags=z1=-N z1 z2
+stderr 'compile.* -N.* -p z1'
+! stderr 'compile.* -e.* -p z1'
+! stderr 'compile.* -N.* -p z2'
+stderr 'compile.* -e.* -p z2'
+stderr 'compile.* -p y'
+! stderr 'compile.* -e.* -p [^z]'
+! stderr 'compile.* -N.* -p [^z]'
+
+# -gcflags can have arbitrary spaces around the flags
+go build -n -v -gcflags='  z1 =  	-e 	' z1
+stderr 'compile.* -e.* -p z1'
+
+# -gcflags='all=-e' should apply to all packages, even with go test
+go test -c -n -gcflags='all=-e' z1
+stderr 'compile.* -e.* -p z3 '
+
+# this particular -gcflags argument made the compiler crash
+! go build -gcflags=-d=ssa/ z1
+stderr 'PhaseOptions usage'
+
+# -ldflags for implicit test package applies to test binary
+go test -c -n -gcflags=-N -ldflags=-X=x.y=z z1
+stderr 'compile.* -N .*z_test.go'
+stderr 'link.* -X=x.y=z'
+
+# -ldflags for explicit test package applies to test binary
+go test -c -n -gcflags=z1=-N -ldflags=z1=-X=x.y=z z1
+stderr 'compile.* -N .*z_test.go'
+stderr 'link.* -X=x.y=z'
+
+# -ldflags applies to link of command
+go build -n -ldflags=-X=math.pi=3 my/cmd/prog
+stderr 'link.* -X=math.pi=3'
+
+# -ldflags applies to link of command even with strange directory name
+go build -n -ldflags=-X=math.pi=3 my/cmd/prog/
+stderr 'link.* -X=math.pi=3'
+
+# -ldflags applies to current directory
+cd my/cmd/prog
+go build -n -ldflags=-X=math.pi=3
+stderr 'link.* -X=math.pi=3'
+
+# -ldflags applies to current directory even if GOPATH is funny
+[windows] cd $WORK/GoPath/src/my/cmd/prog
+[darwin] cd $WORK/GoPath/src/my/cmd/prog
+go build -n -ldflags=-X=math.pi=3
+stderr 'link.* -X=math.pi=3'
+
+# cgo.a should not be a dependency of internally-linked go package
+go build -ldflags='-linkmode=external -linkmode=internal' -n prog.go
+! stderr 'packagefile .*runtime/cgo.a'
+
+-- z1/z.go --
+package z1
+import _ "y"
+import _ "z2"
+
+-- z1/z_test.go --
+package z1_test
+import "testing"
+import _ "z3"
+func Test(t *testing.T) {}
+
+-- z2/z.go --
+package z2
+
+-- z3/z.go --
+package z3
+
+-- y/y.go --
+package y
+
+-- my/cmd/prog/prog.go --
+package main
+func main() {}