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8173278: [JVMCI] query_update_method_data might write outside _trap_hist array
authordnsimon
Thu, 26 Jan 2017 05:53:14 -0800
changeset 43489 a07cb821130d
parent 43488 82158896218c
child 43490 3c43be5db478
8173278: [JVMCI] query_update_method_data might write outside _trap_hist array Reviewed-by: kvn
hotspot/src/share/vm/oops/methodData.hpp file | annotate | diff | comparison | revisions 
--- a/hotspot/src/share/vm/oops/methodData.hpp	Sun Jan 22 16:33:54 2017 +0800
+++ b/hotspot/src/share/vm/oops/methodData.hpp	Thu Jan 26 05:53:14 2017 -0800
@@ -2183,7 +2183,7 @@
   uint _nof_overflow_traps;         // trap count, excluding _trap_hist
   union {
     intptr_t _align;
-    u1 _array[_trap_hist_limit];
+    u1 _array[JVMCI_ONLY(2 *) _trap_hist_limit];
   } _trap_hist;
 
   // Support for interprocedural escape analysis, from Thomas Kotzmann.
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