[Bug translator/10602] New: REG_IP() used as lvalue fails on s390x, probably ia64

["jkenisto at us dot ibm dot com" <sourceware-bugzilla at sourceware dot org>]

The ia64 and s390x definitions of the REG_IP macro in runtime/regs.h prevent
REG_IP(x) from being assigned to, but stap-generated code includes several lines
of the form
    REG_IP(regs) = something;
At least on s390x, this yields compile errors in pass 4:
/tmp/stapkks1PD/stap_..._4792.c: In function ?enter_kprobe_probe?:
/tmp/stapkks1PD/stap_..._4792.c:1080: error: lvalue required as left operand of
assignment

I think that this is an artifact of the fix for PR #10458.

-- 
           Summary: REG_IP() used as lvalue fails on s390x, probably ia64
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: jkenisto at us dot ibm dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=10602

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