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| author | Ian Lance Taylor <iant@golang.org> | 2019-08-20 21:15:46 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2019-08-20 21:15:46 +0000 |
| commit | 43055d2379cfb1b5b1b09e243a9829e52e12b60a (patch) | |
| tree | 25ee7c396a4bc315d93ef63cd8092a66275cd5a1 /libgo/runtime | |
| parent | 5ba5ad304a16644614c3ea143181682a94cb999e (diff) | |
| download | gcc-43055d2379cfb1b5b1b09e243a9829e52e12b60a.zip gcc-43055d2379cfb1b5b1b09e243a9829e52e12b60a.tar.gz gcc-43055d2379cfb1b5b1b09e243a9829e52e12b60a.tar.bz2 | |
compiler, runtime: implement shifts by signed amounts
Shifting by signed types is a new language feature in Go 1.13.
This requires a patch to the testsuite.
Updates golang/go#19113
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/190977
* go.test/test/fixedbugs/bug073.go: Update for language changes.
From-SVN: r274755
Diffstat (limited to 'libgo/runtime')
| -rw-r--r-- | libgo/runtime/go-runtime-error.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libgo/runtime/go-runtime-error.c b/libgo/runtime/go-runtime-error.c index c9ccf98..8179e68 100644 --- a/libgo/runtime/go-runtime-error.c +++ b/libgo/runtime/go-runtime-error.c @@ -55,7 +55,10 @@ enum DIVISION_BY_ZERO = 11, /* Go statement with nil function. */ - GO_NIL = 12 + GO_NIL = 12, + + /* Shift by negative value. */ + SHIFT_BY_NEGATIVE = 13 }; extern void __go_runtime_error (int32) __attribute__ ((noreturn)); @@ -112,6 +115,9 @@ __go_runtime_error (int32 i) runtime_g()->m->throwing = -1; runtime_throw ("go of nil func value"); + case SHIFT_BY_NEGATIVE: + runtime_panicstring ("negative shift amount"); + default: runtime_panicstring ("unknown runtime error"); } |