When using nested functions, the trampoline code will destroy register 9 while
loading the static chain. This is even noted in gcc/config/arm/arm.h:
XXX FIXME: When the trampoline returns, r8 will be clobbered.
(it will be r9 and not r8...).
The attached patch avoids clobbering r9.
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Summary: gcc generates incorrect trampoline code in thumb mode
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: leo at marco dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32838