7 Commits

Author	SHA1	Message	Date
Robert Griesemer	83bfed916b	cmd/compile/internal/types2: print "nil" rather than "untyped nil" ... When we have a typed nil, we already say so; thus it is sufficient to use "nil" in all the other cases. This is closer to (1.17) compiler behavior. In cases where the 1.17 compiler prints "untyped nil" (e.g., wrong uses of "copy"), we already print a different message. We can do better in those cases as well; will be addressed in a separate CL (see #49735). Fixes #48852. Change-Id: I9a7a72e0f99185b00f80040c5510a693b1ea80f6 Reviewed-on: https://go-review.googlesource.com/c/go/+/366276 Trust: Robert Griesemer <gri@golang.org> Reviewed-by: Robert Findley <rfindley@google.com>	2021-11-22 23:51:43 +00:00
Robert Griesemer	8f19394b62	cmd/compile/internal/types2: refactor untyped conversions ... Based on https://golang.org/cl/284256 for go/types. Brings this code more in line with go/types. Adjusted various tests to match new error messages which generally are now better: for assignment errors, instead of a generic "cannot convert" we now say "cannot use" followed by a clearer reason as to why not. Major differences to go/types with respect to the changed files: - Some of the new code now returns error codes, but they are only used internally for now, and not reported with errors. - go/types does not "convert" untyped nil values to target types, but here we do. This is unchanged from how types2 handled this before this CL. Change-Id: If45336d7ee679ece100f6d9d9f291a6ea55004d8 Reviewed-on: https://go-review.googlesource.com/c/go/+/302757 Trust: Robert Griesemer <gri@golang.org> Reviewed-by: Robert Findley <rfindley@google.com>	2021-03-23 05:11:09 +00:00
Robert Griesemer	d8796b5670	[dev.typeparams] cmd/compile/internal/types2: report type of nil based on context ... With this CL, the type reported for uses of the predeclared identifier nil changes from untyped nil to the type of the context within which nil is used, matching the behaviour of types2 for other untyped types. If an untyped nil value is assigned or converted to an interface, the nil expression is given the interface type. The predicate TypeAndValue.IsNil doesn't change in behavior, it still reports whether the relevant expression is a (typed or untyped) nil value. Change-Id: Id766468f3f3f2a53e4c55e1e6cd521e459c4a94f Reviewed-on: https://go-review.googlesource.com/c/go/+/284218 Trust: Robert Griesemer <gri@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> Reviewed-by: Matthew Dempsky <mdempsky@google.com>	2021-01-20 05:50:46 +00:00
Robert Griesemer	53c4c17b09	[dev.typeparams] all: merge dev.regabi into dev.typeparams ... The files below had conflicts that required manual resolution. The unresolved conflict in noder.go was just in the import declaration (trivial). All the other conflicts are in tests where the ERROR regex patterns changed to accomodate gccgo error messages (incoming from dev.regabi), and to accomodate types2 in dev.typeparams. They were resolved by accepting the dev.regabi changes (so as not to lose them) and then by re- applying whatever changes needed to make them pass with types2. Finally, the new test mainsig.go was excluded from run.go when using types2 due to issue #43308. src/cmd/compile/internal/gc/noder.go test/fixedbugs/bug13343.go test/fixedbugs/bug462.go test/fixedbugs/issue10975.go test/fixedbugs/issue11326.go test/fixedbugs/issue11361.go test/fixedbugs/issue11371.go test/fixedbugs/issue11674.go test/fixedbugs/issue13365.go test/fixedbugs/issue13471.go test/fixedbugs/issue14136.go test/fixedbugs/issue14321.go test/fixedbugs/issue14729.go test/fixedbugs/issue15898.go test/fixedbugs/issue16439.go test/fixedbugs/issue17588.go test/fixedbugs/issue19323.go test/fixedbugs/issue19482.go test/fixedbugs/issue19880.go test/fixedbugs/issue20185.go test/fixedbugs/issue20227.go test/fixedbugs/issue20415.go test/fixedbugs/issue20749.go test/fixedbugs/issue22794.go test/fixedbugs/issue22822.go test/fixedbugs/issue22921.go test/fixedbugs/issue23823.go test/fixedbugs/issue25727.go test/fixedbugs/issue26616.go test/fixedbugs/issue28079c.go test/fixedbugs/issue28450.go test/fixedbugs/issue30085.go test/fixedbugs/issue30087.go test/fixedbugs/issue35291.go test/fixedbugs/issue38745.go test/fixedbugs/issue41247.go test/fixedbugs/issue41440.go test/fixedbugs/issue41500.go test/fixedbugs/issue4215.go test/fixedbugs/issue6402.go test/fixedbugs/issue6772.go test/fixedbugs/issue7129.go test/fixedbugs/issue7150.go test/fixedbugs/issue7153.go test/fixedbugs/issue7310.go test/fixedbugs/issue8183.go test/fixedbugs/issue8385.go test/fixedbugs/issue8438.go test/fixedbugs/issue8440.go test/fixedbugs/issue8507.go test/fixedbugs/issue9370.go test/fixedbugs/issue9521.go Change-Id: I26e6e326fde6e3fca5400711a253834d710ab7f4	2020-12-22 17:50:13 +00:00
Ian Lance Taylor	5a25a3fd1d	test: recognize gofrontend error messages ... fixedbugs/issue26416.go:24:16: error: unknown field ‘t1f1’ in ‘t2’ fixedbugs/issue26416.go:25:16: error: unknown field ‘t1f2’ in ‘t3’ fixedbugs/issue26416.go:26:16: error: unknown field ‘t2f1’ in ‘t3’ fixedbugs/issue26616.go:15:9: error: single variable set to multiple-value function call fixedbugs/issue26616.go:9:5: error: incompatible type in initialization (multiple-value function call in single-value context) fixedbugs/issue26616.go:12:13: error: incompatible type in initialization (multiple-value function call in single-value context) fixedbugs/issue26616.go:13:13: error: incompatible type in initialization (multiple-value function call in single-value context) fixedbugs/issue26616.go:15:9: error: incompatible type in initialization (multiple-value function call in single-value context) fixedbugs/issue26616.go:14:11: error: incompatible types in assignment (multiple-value function call in single-value context) fixedbugs/issue26855.go:23:12: error: incompatible type for field 1 in struct construction fixedbugs/issue26855.go:27:12: error: incompatible type for field 1 in struct construction fixedbugs/issue25958.go:14:18: error: expected ‘<-’ or ‘=’ fixedbugs/issue25958.go:15:35: error: expected ‘<-’ or ‘=’ fixedbugs/issue28079b.go:13:9: error: array bound is not constant fixedbugs/issue28079b.go:16:22: error: invalid context-determined non-integer type for left operand of shift fixedbugs/issue28079c.go:14:22: error: invalid context-determined non-integer type for left operand of shift fixedbugs/issue28450.go:9:19: error: ‘...’ only permits one name fixedbugs/issue28450.go:10:18: error: ‘...’ must be last parameter fixedbugs/issue28450.go:11:16: error: ‘...’ must be last parameter fixedbugs/issue28450.go:11:24: error: ‘...’ must be last parameter fixedbugs/issue28450.go:13:25: error: ‘...’ must be last parameter fixedbugs/issue28450.go:15:19: error: ‘...’ must be last parameter fixedbugs/issue28450.go:16:21: error: ‘...’ must be last parameter fixedbugs/issue28450.go:16:31: error: ‘...’ must be last parameter fixedbugs/issue28268.go:20:1: error: method ‘E’ redeclares struct field name fixedbugs/issue28268.go:19:1: error: method ‘b’ redeclares struct field name fixedbugs/issue27356.go:14:14: error: expected function fixedbugs/issue27356.go:18:9: error: expected function fixedbugs/issue29855.go:13:11: error: unknown field ‘Name’ in ‘T’ fixedbugs/issue27938.go:14:15: error: expected package fixedbugs/issue27938.go:18:13: error: expected package fixedbugs/issue27938.go:22:13: error: expected package fixedbugs/issue27938.go:22:9: error: expected signature or type name fixedbugs/issue29870b.go:13:9: error: ‘x’ declared but not used fixedbugs/issue30085.go:10:18: error: wrong number of initializations fixedbugs/issue30085.go:11:21: error: wrong number of initializations fixedbugs/issue30087.go:10:18: error: wrong number of initializations fixedbugs/issue30087.go:11:11: error: number of variables does not match number of values fixedbugs/issue30087.go:12:9: error: wrong number of initializations fixedbugs/issue30087.go:13:9: error: wrong number of initializations fixedbugs/issue28926.go:16:14: error: use of undefined type ‘G’ fixedbugs/issue28926.go:18:14: error: use of undefined type ‘E’ fixedbugs/issue28926.go:22:24: error: use of undefined type ‘T’ fixedbugs/issue30722.go:13:13: error: invalid numeric literal fixedbugs/issue30722.go:14:13: error: invalid numeric literal fixedbugs/issue30722.go:15:13: error: invalid numeric literal fixedbugs/issue33308.go:12:19: error: invalid context-determined non-integer type for left operand of shift fixedbugs/issue33386.go:16:9: error: expected operand fixedbugs/issue33386.go:22:9: error: expected operand fixedbugs/issue33386.go:26:17: error: expected operand fixedbugs/issue33386.go:27:18: error: expected operand fixedbugs/issue33386.go:28:29: error: expected operand fixedbugs/issue33386.go:15:17: error: reference to undefined name ‘send’ fixedbugs/issue33386.go:27:13: error: reference to undefined name ‘a’ fixedbugs/issue33386.go:21:19: error: value computed is not used fixedbugs/issue33460.go:34:10: error: duplicate key in map literal fixedbugs/issue33460.go:21:9: error: duplicate case in switch fixedbugs/issue33460.go:24:9: error: duplicate case in switch fixedbugs/issue33460.go:25:9: error: duplicate case in switch fixedbugs/issue32723.go:12:14: error: invalid comparison of non-ordered type fixedbugs/issue32723.go:13:13: error: invalid comparison of non-ordered type fixedbugs/issue32723.go:16:16: error: invalid comparison of non-ordered type fixedbugs/issue32723.go:17:16: error: invalid comparison of non-ordered type fixedbugs/issue32723.go:18:15: error: invalid comparison of non-ordered type fixedbugs/issue32723.go:21:15: error: invalid comparison of non-ordered type fixedbugs/issue35291.go:13:9: error: duplicate value for index 1 fixedbugs/issue38745.go:12:12: error: reference to undefined field or method ‘M’ fixedbugs/issue38745.go:13:16: error: reference to undefined field or method ‘M’ fixedbugs/issue38745.go:17:19: error: reference to undefined field or method ‘M’ fixedbugs/issue38745.go:17:9: error: not enough arguments to return fixedbugs/issue41500.go:16:22: error: incompatible types in binary expression fixedbugs/issue41500.go:17:26: error: incompatible types in binary expression fixedbugs/issue41500.go:18:22: error: incompatible types in binary expression fixedbugs/issue41500.go:19:26: error: incompatible types in binary expression fixedbugs/issue41575.go:23:6: error: invalid recursive type fixedbugs/issue41575.go:9:6: error: invalid recursive type ‘T1’ fixedbugs/issue41575.go:13:6: error: invalid recursive type ‘T2’ fixedbugs/issue41575.go:17:6: error: invalid recursive type ‘a’ fixedbugs/issue41575.go:18:6: error: invalid recursive type ‘b’ fixedbugs/issue41575.go:19:6: error: invalid recursive type ‘c’ fixedbugs/issue41575.go:25:6: error: invalid recursive type ‘g’ fixedbugs/issue41575.go:32:6: error: invalid recursive type ‘x’ fixedbugs/issue41575.go:33:6: error: invalid recursive type ‘y’ fixedbugs/issue4215.go:10:9: error: not enough arguments to return fixedbugs/issue4215.go:14:9: error: return with value in function with no return type fixedbugs/issue4215.go:19:17: error: not enough arguments to return fixedbugs/issue4215.go:21:9: error: not enough arguments to return fixedbugs/issue4215.go:27:17: error: not enough arguments to return fixedbugs/issue4215.go:29:17: error: too many values in return statement fixedbugs/issue4215.go:31:17: error: not enough arguments to return fixedbugs/issue4215.go:43:17: error: not enough arguments to return fixedbugs/issue4215.go:46:17: error: not enough arguments to return fixedbugs/issue4215.go:48:9: error: too many values in return statement fixedbugs/issue4215.go:52:9: error: too many values in return statement fixedbugs/issue41247.go:10:16: error: incompatible type for return value 1 fixedbugs/issue41440.go:13:9: error: too many arguments fixedbugs/issue6772.go:10:16: error: ‘a’ repeated on left side of := fixedbugs/issue6772.go:17:16: error: ‘a’ repeated on left side of := fixedbugs/issue6402.go:12:16: error: incompatible type for return value 1 fixedbugs/issue6403.go:13:23: error: reference to undefined identifier ‘syscall.X’ fixedbugs/issue6403.go:14:15: error: reference to undefined name ‘voidpkg’ fixedbugs/issue7746.go:24:20: error: constant multiplication overflow fixedbugs/issue7760.go:15:7: error: invalid constant type fixedbugs/issue7760.go:16:7: error: invalid constant type fixedbugs/issue7760.go:18:7: error: invalid constant type fixedbugs/issue7760.go:19:7: error: invalid constant type fixedbugs/issue7760.go:21:11: error: expression is not constant fixedbugs/issue7760.go:22:11: error: expression is not constant fixedbugs/issue7760.go:24:7: error: invalid constant type fixedbugs/issue7760.go:25:7: error: invalid constant type fixedbugs/issue7129.go:18:11: error: argument 1 has incompatible type (cannot use type bool as type int) fixedbugs/issue7129.go:19:11: error: argument 1 has incompatible type (cannot use type bool as type int) fixedbugs/issue7129.go:20:11: error: argument 1 has incompatible type (cannot use type bool as type int) fixedbugs/issue7129.go:20:17: error: argument 2 has incompatible type (cannot use type bool as type int) fixedbugs/issue7150.go:12:20: error: index expression is negative fixedbugs/issue7150.go:13:13: error: some element keys in composite literal are out of range fixedbugs/issue7150.go:14:13: error: some element keys in composite literal are out of range fixedbugs/issue7150.go:15:13: error: some element keys in composite literal are out of range fixedbugs/issue7150.go:16:13: error: some element keys in composite literal are out of range fixedbugs/issue7675.go:16:11: error: argument 1 has incompatible type (cannot use type int as type string) fixedbugs/issue7675.go:16:24: error: argument 3 has incompatible type (cannot use type string as type float64) fixedbugs/issue7675.go:16:9: error: not enough arguments fixedbugs/issue7675.go:16:14: error: floating-point constant truncated to integer fixedbugs/issue7675.go:18:11: error: argument 1 has incompatible type (cannot use type int as type string) fixedbugs/issue7675.go:18:24: error: argument 3 has incompatible type (cannot use type string as type float64) fixedbugs/issue7675.go:18:28: error: argument 4 has incompatible type (cannot use type int as type string) fixedbugs/issue7675.go:18:9: error: too many arguments fixedbugs/issue7675.go:18:14: error: floating-point constant truncated to integer fixedbugs/issue7675.go:19:11: error: argument 1 has incompatible type (cannot use type int as type string) fixedbugs/issue7675.go:19:9: error: not enough arguments fixedbugs/issue7675.go:19:14: error: floating-point constant truncated to integer fixedbugs/issue7675.go:21:11: error: argument 1 has incompatible type (cannot use type int as type string) fixedbugs/issue7675.go:21:19: error: argument 3 has incompatible type fixedbugs/issue7675.go:21:14: error: floating-point constant truncated to integer fixedbugs/issue7675.go:23:14: error: floating-point constant truncated to integer fixedbugs/issue7153.go:11:15: error: reference to undefined name ‘a’ fixedbugs/issue7153.go:11:18: error: incompatible type for element 1 in composite literal fixedbugs/issue7153.go:11:24: error: incompatible type for element 2 in composite literal fixedbugs/issue7310.go:12:13: error: left argument must be a slice fixedbugs/issue7310.go:13:13: error: second argument must be slice or string fixedbugs/issue7310.go:14:15: error: incompatible types in binary expression fixedbugs/issue6964.go:10:13: error: invalid type conversion (cannot use type complex128 as type string) fixedbugs/issue7538a.go:14:9: error: reference to undefined label ‘_’ fixedbugs/issue8311.go:14:9: error: increment or decrement of non-numeric type fixedbugs/issue8507.go:12:6: error: invalid recursive type ‘T’ fixedbugs/issue9521.go:16:20: error: argument 2 has incompatible type fixedbugs/issue9521.go:17:20: error: argument 2 has incompatible type (cannot use type float64 as type int) fixedbugs/issue8385.go:30:19: error: argument 1 has incompatible type (type has no methods) fixedbugs/issue8385.go:30:14: error: not enough arguments fixedbugs/issue8385.go:35:9: error: not enough arguments fixedbugs/issue8385.go:36:9: error: not enough arguments fixedbugs/issue8385.go:37:10: error: not enough arguments fixedbugs/issue8385.go:38:10: error: not enough arguments fixedbugs/issue8385.go:39:10: error: not enough arguments fixedbugs/issue8385.go:40:10: error: not enough arguments fixedbugs/issue8385.go:41:13: error: not enough arguments fixedbugs/issue8438.go:13:23: error: incompatible type for element 1 in composite literal fixedbugs/issue8438.go:14:22: error: incompatible type for element 1 in composite literal fixedbugs/issue8438.go:15:23: error: incompatible type for element 1 in composite literal fixedbugs/issue8440.go:10:9: error: reference to undefined name ‘n’ Change-Id: I5707aec7d3c9178c4f4d794d4827fc907b52efb3 Reviewed-on: https://go-review.googlesource.com/c/go/+/278032 Trust: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>	2020-12-15 02:35:59 +00:00
Robert Griesemer	43c7b214db	[dev.typeparams] cmd/compile/internal/types2: adjusted qualified identifier error message for compiler ... Also: Triaged/adjusted some more test/fixedbugs tests. Change-Id: I050847b6dfccc7f301f8100bfdbe84e0487e33fc Reviewed-on: https://go-review.googlesource.com/c/go/+/276512 Trust: Robert Griesemer <gri@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> Run-TryBot: Robert Griesemer <gri@golang.org> TryBot-Result: Go Bot <gobot@golang.org>	2020-12-09 23:56:19 +00:00
Jan Ziak	21b2e16842	cmd/gc: fix spurious 'use of untyped nil' error ... Fixes #6402 LGTM=rsc R=rsc CC=golang-codereviews https://golang.org/cl/81340044	2014-03-27 18:47:00 +01:00