cmd/compile: inline marker targets not reachable after assembly on arm #40796
Labels
arch-arm
Issues solely affecting the 32-bit arm architecture.
FrozenDueToAge
NeedsInvestigation
Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Milestone
The linux-arm buildbot is failing the test added in CL 247697. This is the same fundamental issue as seen in #40689 (ppc64x) and #40473 (s390x), and should be a similar fix.
The arm assembler is removing a
Prog
from the function while processing it. That sameProg
is then being used to generate inlining data after assembly. Since theProg
was never assembled its PC is incorrect and so the generated inlining data is broken. This can cause problems with tracebacks, such as the infinite loop seen in #40473.Build log: https://build.golang.org/log/eb1975072af9202c55e1ce8697f21fd94de691fe
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