63dd776220
If a compatible trampoline has been inserted by a previously laid function in the same section, and is known to be sufficiently close, it can be reused. When testing if the trampoline can be reused, the addend of the direct call should be ignored. It is already encoded in the trampoline. If the addend is non-zero, and the target sufficiently far away, and just beyond direct call reach, this may cause the trampoline to be incorrectly reused. This was observed on go1.17.13 and openshift-installer commit f3c53b382 building in release mode with the following error: github.com/aliyun/alibaba-cloud-sdk-go/services/cms.(*Client).DescribeMonitoringAgentAccessKeyWithChan.func1: direct call too far: runtime.duffzero+1f0-tramp0-1 -2000078 Fixes #56833 Change-Id: I54af957302506d4e3cd5d3121542c83fe980e912 Reviewed-on: https://go-review.googlesource.com/c/go/+/451415 Reviewed-by: Cherry Mui <cherryyz@google.com> Run-TryBot: Paul Murphy <murp@ibm.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com> Reviewed-by: Than McIntosh <thanm@google.com> Reviewed-on: https://go-review.googlesource.com/c/go/+/451916 Reviewed-by: Joedian Reid <joedian@golang.org> |
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