From: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Date: Wed, 16 Jun 2021 07:52:05 +0000 (+0700)
Subject: [dev.typeparams] all: merge master (785a8f6) into dev.typeparams
X-Git-Tag: go1.18beta1~1818^2^2~356
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=4d6f9d60cf;p=gostls13.git

[dev.typeparams] all: merge master (785a8f6) into dev.typeparams

- test/run.go

  CL 328050 added fixedbugs/issue46749.go to -G=3 excluded files list

Merge List:

+ 2021-06-16 785a8f677f cmd/compile: better error message for invalid untyped operation
+ 2021-06-16 a752bc0746 syscall: fix TestGroupCleanupUserNamespace test failure on Fedora
+ 2021-06-15 d77f4c0c5c net/http: improve some server docs
+ 2021-06-15 219fe9d547 cmd/go: ignore UTF8 BOM when reading source code
+ 2021-06-15 723f199edd cmd/link: set correct flags in .dynamic for PIE buildmode
+ 2021-06-15 4d2d89ff42 cmd/go, go/build: update docs to use //go:build syntax
+ 2021-06-15 033d885315 doc/go1.17: document go run pkg@version
+ 2021-06-15 ea8612ef42 syscall: disable c-shared test when no cgo, for windows/arm
+ 2021-06-15 abc56fd1a0 internal/bytealg: remove duplicate go:build line
+ 2021-06-15 4061d3463b syscall: rewrite handle inheritance test to use C rather than Powershell
+ 2021-06-15 cf4e3e3d3b reflect: explain why convertible or comparable types may still panic
+ 2021-06-14 7841cb14d9 doc/go1.17: assorted fixes
+ 2021-06-14 8a5a6f46dc debug/elf: don't apply DWARF relocations for ET_EXEC binaries
+ 2021-06-14 9d13f8d43e runtime: update the variable name in comment
+ 2021-06-14 0fd20ed5b6 reflect: use same conversion panic in reflect and runtime
+ 2021-06-14 6bbb0a9d4a cmd/internal/sys: mark windows/arm64 as c-shared-capable
+ 2021-06-14 d4f34f8c63 doc/go1.17: reword "results" in stack trace printing

Change-Id: I60d1f67c4d48cd4093c350fc89bd60c454d23944
---

4d6f9d60cf597a49b918fc1d445251d6b643f860
diff --cc test/run.go
index 656519e301,d7f5d02391..1273b8edd6
--- a/test/run.go
+++ b/test/run.go
@@@ -2088,98 -2002,5 +2088,99 @@@ var excludedFiles = map[string]bool
  	"fixedbugs/issue7525c.go":  true, // types2 reports init cycle error on different line - ok otherwise
  	"fixedbugs/issue7525d.go":  true, // types2 reports init cycle error on different line - ok otherwise
  	"fixedbugs/issue7525e.go":  true, // types2 reports init cycle error on different line - ok otherwise
 +	"fixedbugs/issue7525.go":   true, // types2 reports init cycle error on different line - ok otherwise
+ 	"fixedbugs/issue46749.go":  true, // types2 reports can not convert error instead of type mismatched
 +	"fixedbugs/issue9691.go":   true, // "cannot assign to int(.autotmp_4)" (probably irgen's fault)
 +
 +	// tests that rely on -m diagnostics, which currently differ with -G=3
 +	//
 +	// TODO(mdempsky): Triage, though most of the issues seem to fall into:
 +	// - Anonymous result parameters given different names (e.g., ~r0 vs ~r1)
 +	// - Some escape analysis diagnostics being printed without position information
 +	// - Some expressions printed differently (e.g., "int(100)" instead
 +	//   of "100" or "&composite literal" instead of "&[4]int{...}").
 +	"closure3.go":             true,
 +	"escape2.go":              true,
 +	"escape2n.go":             true,
 +	"escape4.go":              true,
 +	"escape_calls.go":         true,
 +	"escape_field.go":         true,
 +	"escape_iface.go":         true,
 +	"escape_indir.go":         true,
 +	"escape_level.go":         true,
 +	"escape_map.go":           true,
 +	"escape_param.go":         true,
 +	"escape_slice.go":         true,
 +	"escape_struct_param1.go": true,
 +	"escape_struct_param2.go": true,
 +	"fixedbugs/issue12006.go": true,
 +	"fixedbugs/issue13799.go": true,
 +	"fixedbugs/issue21709.go": true,
 +	"fixedbugs/issue31573.go": true,
 +	"fixedbugs/issue37837.go": true,
 +	"fixedbugs/issue39292.go": true,
 +	"fixedbugs/issue7921.go":  true,
 +	"inline.go":               true,
 +}
 +
 +// splitQuoted splits the string s around each instance of one or more consecutive
 +// white space characters while taking into account quotes and escaping, and
 +// returns an array of substrings of s or an empty list if s contains only white space.
 +// Single quotes and double quotes are recognized to prevent splitting within the
 +// quoted region, and are removed from the resulting substrings. If a quote in s
 +// isn't closed err will be set and r will have the unclosed argument as the
 +// last element. The backslash is used for escaping.
 +//
 +// For example, the following string:
 +//
 +//     a b:"c d" 'e''f'  "g\""
 +//
 +// Would be parsed as:
 +//
 +//     []string{"a", "b:c d", "ef", `g"`}
 +//
 +// [copied from src/go/build/build.go]
 +func splitQuoted(s string) (r []string, err error) {
 +	var args []string
 +	arg := make([]rune, len(s))
 +	escaped := false
 +	quoted := false
 +	quote := '\x00'
 +	i := 0
 +	for _, rune := range s {
 +		switch {
 +		case escaped:
 +			escaped = false
 +		case rune == '\\':
 +			escaped = true
 +			continue
 +		case quote != '\x00':
 +			if rune == quote {
 +				quote = '\x00'
 +				continue
 +			}
 +		case rune == '"' || rune == '\'':
 +			quoted = true
 +			quote = rune
 +			continue
 +		case unicode.IsSpace(rune):
 +			if quoted || i > 0 {
 +				quoted = false
 +				args = append(args, string(arg[:i]))
 +				i = 0
 +			}
 +			continue
 +		}
 +		arg[i] = rune
 +		i++
 +	}
 +	if quoted || i > 0 {
 +		args = append(args, string(arg[:i]))
 +	}
 +	if quote != 0 {
 +		err = errors.New("unclosed quote")
 +	} else if escaped {
 +		err = errors.New("unfinished escaping")
 +	}
 +	return args, err
  }