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8011352: C1: TraceCodeBlobStacks crashes fastdebug Solaris SPARC

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Handle null correctly

Reviewed-by: roland, dlong, rbackman
This commit is contained in:
Patric Hedlin 2017-09-29 10:40:49 +02:00 • committed by Nils Eliasson
parent 8afe0e3b01
commit 1af1d42ac4
1 changed files with 2 additions and 2 deletions
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4
src/hotspot/cpu/sparc/frame_sparc.cpp
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@ -119,8 +119,8 @@ address RegisterMap::pd_location(VMReg regname) const {
reg = regname->as_Register(); reg = regname->as_Register();
} }
if (reg->is_out()) { if (reg->is_out()) {
assert(_younger_window != NULL, "Younger window should be available"); return _younger_window == NULL ? NULL :
return second_word + (address)&_younger_window[reg->after_save()->sp_offset_in_saved_window()]; second_word + (address)&_younger_window[reg->after_save()->sp_offset_in_saved_window()];
} }
if (reg->is_local() || reg->is_in()) { if (reg->is_local() || reg->is_in()) {
assert(_window != NULL, "Window should be available"); assert(_window != NULL, "Window should be available");