Andreas Schwab 2dd12baa04 RISC-V: properly terminate call chain (bug 23125)
Mark the ra register as undefined in _start, so that unwinding through
main works correctly.  Also, don't use a tail call so that ra points after
the call to __libc_start_main, not after the previous call.
2018-10-30 12:07:25 +01:00
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