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Cherry Mui 500675a7c8 cmd/compile: load map length with the right type
len(map) is lowered to loading the first field of the map
structure, which is the length. Currently it is a load of an int.
With the old map, the first field is indeed an int. With Swiss
map, however, it is a uint64. On big-endian 32-bit machine,
loading an (32-bit) int from a uint64 would load just the high
bits, which are (probably) all 0. Change to a load with the proper
type.

Fixes #70248.

Change-Id: I39cf2d1e6658dac5a8de25c858e1580e2a14b894
Reviewed-on: https://go-review.googlesource.com/c/go/+/638375
Run-TryBot: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
2024-12-21 19:25:03 -08:00
.github .github: update language change proposal template 2024-08-08 19:02:29 +00:00
api debug/elf: adjust version API per issue discussion 2024-12-17 13:28:29 -08:00
doc spec: explain function invocation and passing of parameters more precisely 2024-12-17 08:37:52 -08:00
lib lib/wasm: provide fs.constants.O_DIRECTORY definition 2024-12-08 15:34:47 +00:00
misc misc/wasm: move wasm runtime files to lib/wasm 2024-08-30 19:15:21 +00:00
src cmd/compile: load map length with the right type 2024-12-21 19:25:03 -08:00
test cmd/internal/objabi, internal/runtime: increase nosplit limit on OpenBSD 2024-12-06 00:35:41 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore runtime,internal: move runtime/internal/sys to internal/runtime/sys 2024-07-23 19:05:35 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
LICENSE LICENSE: update per Google Legal 2024-08-09 14:54:31 +00:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md README: fix CC BY license name 2024-07-22 17:45:27 +00:00
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

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