[libgcc] Protect __TMC_END__ - __TMC_LIST__ == 0

Marc Glisse marc.glisse@inria.fr
Thu Oct 27 10:25:00 GMT 2016


some optimization patch I was working on simplified __TMC_END__ - 
__TMC_LIST__ == 0 to false, which is not wanted (I assume that's why it 
wasn't written __TMC_END__ == __TMC_LIST__ in the first place).

Bootstrap+regtest on powerpc64le-unknown-linux-gnu.

2016-10-27  Marc Glisse  <marc.glisse@inria.fr>

 	PR libgcc/77813
 	* crtstuff.c (deregister_tm_clones, register_tm_clones): Hide
 	__TMC_END__ behind a passthrough asm.

Marc Glisse
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