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This fixes overflow of the memory usage estimate in turn failing to disable itself on WRF with LTO, causing a few GBs worth of memory peak. 2021-01-29 Richard Biener <rguenther@suse.de> PR rtl-optimization/98863 * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned HOST_WIDE_INT for the memory estimate.
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