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Enable a bunch of types2-related error tests to run successfully, so
they no longer have to be disabled in run.go.
- directive.go: split it into directive.go and directive2.go, since the
possible errors are now split across the parser and noder2, so they
can't all be reported in one file.
- linkname2.go: similarly, split it into linkname2.go and linkname3.go
for the same reason.
- issue16428.go, issue17645.go, issue47201.dir/bo.go: handle slightly
different wording by types2
- issue5609.go: handle slight different error (array length must be
integer vs. array bound too large).
- float_lit3.go: handle slightly different wording (overflows
float vs cannot convert to float)
I purposely didn't try to fix tests yet where there are extra or missing
errors on different lines, since that is not easy to make work for both
-G=3 and -G=0. In a later change, will flip to make the types2 version
match correctly, vs. the -G=0 version.
Change-Id: I6079ff258e3b90146335b9995764e3b1b56cda59
Reviewed-on: https://go-review.googlesource.com/c/go/+/368455
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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shift1.go:76:16: error: shift of non-integer operand
shift1.go:77:16: error: shift of non-integer operand
Change-Id: I48584c0b01f9f6912a93b5f9bba55b5803fbeced
Reviewed-on: https://go-review.googlesource.com/c/go/+/273888
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>
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This CL detangles the hairy mess that was convlit+defaultlit. In
particular, it makes the following changes:
1. convlit1 now follows the standard typecheck behavior of setting
"n.Type = nil" if there's an error. Notably, this means for a lot of
test cases, we now avoid reporting useless follow-on error messages.
For example, after reporting that "1 << s + 1.0" has an invalid shift,
we no longer also report that it can't be assigned to string.
2. Previously, assignconvfn had some extra logic for trying to
suppress errors from convlit/defaultlit so that it could provide its
own errors with better context information. Instead, this extra
context information is now passed down into convlit1 directly.
3. Relatedly, this CL also removes redundant calls to defaultlit prior
to assignconv. As a consequence, when an expression doesn't make sense
for a particular assignment (e.g., assigning an untyped string to an
integer), the error messages now say "untyped string" instead of just
"string". This is more consistent with go/types behavior.
4. defaultlit2 is now smarter about only trying to convert pairs of
untyped constants when it's likely to succeed. This allows us to
report better error messages for things like 3+"x"; instead of "cannot
convert 3 to string" we now report "mismatched types untyped number
and untyped string".
Passes toolstash-check.
Change-Id: I26822a02dc35855bd0ac774907b1cf5737e91882
Reviewed-on: https://go-review.googlesource.com/c/go/+/187657
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
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Per the decision for #14844, index expressions that are non-constant
shifts where the LHS operand is representable as an int are now valid.
Fixes #21693.
Change-Id: Ifafad2c0c65975e0200ce7e28d1db210e0eacd9d
Reviewed-on: https://go-review.googlesource.com/81277
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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This change adds line position tests for several yyerror calls in the
typechecker that are currently not tested in any way.
Untested yyerror calls were found by replacing them with
yerrorl(src.NoXPos, ...)
(thus destroying position information in the error), and then running
the test suite. No failures means no test coverage for the relevant
yyerror call.
For #19683
Change-Id: Iedb3d2f02141b332e9bfa76dbf5ae930ad2fddc3
Reviewed-on: https://go-review.googlesource.com/41477
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Follows suit with https://go-review.googlesource.com/#/c/20111.
Generated by running
$ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors. All/Go Authors. All/g' $F;done
The code in cmd/internal/unvendor wasn't changed.
Fixes #15213
Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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I'm improving gccgo's detection of variables that are only set
but not used, and it triggers additional errors on this code.
The new gccgo errors are correct; gc seems to suppress them
due to the other, expected, errors. This change uses the
variables so that no compiler will complain.
gccgo change is https://golang.org/cl/119920043 .
LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/116050043
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R=golang-dev, remyoudompheng, iant
CC=golang-dev
https://golang.org/cl/10524045
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To be submitted once gc agrees.
R=rsc, iant, remyoudompheng
CC=golang-dev
https://golang.org/cl/7861045
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Fixes #5014.
R=golang-dev, r, rsc, daniel.morsing
CC=golang-dev
https://golang.org/cl/7664043
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Fixes #4882.
Fixes #4936.
Fixes #4937.
R=golang-dev, dave, daniel.morsing, rsc
CC=golang-dev
https://golang.org/cl/7432044
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R=golang-dev, bradfitz, r
CC=golang-dev
https://golang.org/cl/5700056
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X ,s;^// \$G (\$D/)?\$F\.go *$;// compile;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A *$;// build;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A && \./\$A\.out *$;// run;g
X ,s;^// errchk \$G( -e)? (\$D/)?\$F\.go *$;// errorcheck;g
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5671080
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bug363.go:13:12: error: invalid context-determined non-integer type for shift operand
bug363.go:16:12: error: invalid context-determined non-integer type for shift operand
pointer.go:34:6: error: incompatible type in initialization (pointer to interface type has no methods)
pointer.go:36:6: error: incompatible type in initialization
method2.go:15:1: error: invalid pointer or interface receiver type
method2.go:16:1: error: invalid pointer or interface receiver type
method2.go:21:1: error: invalid pointer or interface receiver type
method2.go:22:1: error: invalid pointer or interface receiver type
method2.go:28:15: error: type ‘*Val’ has no method ‘val’
method2.go:33:11: error: reference to undefined field or method ‘val’
shift1.go:19:16: error: invalid context-determined non-integer type for shift operand
shift1.go:24:19: error: invalid context-determined non-integer type for shift operand
shift1.go:25:17: error: invalid context-determined non-integer type for shift operand
shift1.go:18:18: error: shift of non-integer operand
shift1.go:26:13: error: floating point constant truncated to integer
shift1.go:33:15: error: integer constant overflow
shift1.go:34:15: error: integer constant overflow
shift1.go:35:17: error: integer constant overflow
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5081051
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// ERROR "pattern1" "pattern2"
means that there has to be one or more
lines matching pattern1 and then excluding
those, there have to be one or more lines
matching pattern2. So if you expect two
different error messages from a particular
line, writing two separate patterns checks
that both errors are produced.
Also, errchk now flags lines that produce
more errors than expected. Before, as long as
at least one error matched the pattern, all the
others were ignored.
Revise tests to expect or silence these
additional errors.
R=lvd, r, iant
CC=golang-dev
https://golang.org/cl/4869044
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R=rsc
CC=golang-dev
https://golang.org/cl/4548058
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