Fix test expectations for compiler peak memory

TBR=machenbach@chromium.org

Bug: chromium:901329
Change-Id: Id9bc01e7e49c90ac3b5bca88abba53a38a1b0d80
Reviewed-on: https://chromium-review.googlesource.com/c/1326021Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57348}

test/cctest/test-compiler.cc

@@ -906,9 +906,9 @@ TEST(DeepEagerCompilationPeakMemory) {
   CHECK_LE(peak_mem_1, peak_mem_2);
   CHECK_EQ(peak_mem_2, peak_mem_3);
   CHECK_LE(peak_mem_3, peak_mem_4);
-  // Check that eager compilation does not cause significantly higher (+25%)
+  // Check that eager compilation does not cause significantly higher (+100%)
   // peak memory than lazy compilation.
-  CHECK_LE(peak_mem_4 - peak_mem_3, peak_mem_3 / 4);
+  CHECK_LE(peak_mem_4 - peak_mem_3, peak_mem_3);
 }
 
 }  // namespace internal