Fix #5907 formatter bug

spec/compiler/formatter/formatter_spec.cr

@@ -326,6 +326,7 @@ describe Crystal::Formatter do
   assert_format "1  &&  2", "1 && 2"
   assert_format "1 &&\n2", "1 &&\n  2"
   assert_format "1 &&\n2 &&\n3", "1 &&\n  2 &&\n  3"
+  assert_format "1 && # foo\n  2 &&\n  3"
   assert_format "if 0\n1 &&\n2 &&\n3\nend", "if 0\n  1 &&\n    2 &&\n    3\nend"
   assert_format "if 1 &&\n2 &&\n3\n4\nend", "if 1 &&\n   2 &&\n   3\n  4\nend"
   assert_format "if 1 &&\n   (2 || 3)\n  1\nelse\n  2\nend"

src/compiler/crystal/tools/formatter.cr

@@ -2946,8 +2946,8 @@ module Crystal
       end
 
       write_token " ", token
-      skip_space
-      if @token.type == :NEWLINE
+      found_comment = skip_space
+      if found_comment || @token.type == :NEWLINE
         if @inside_call_or_assign == 0
           next_indent = @inside_cond == 0 ? @indent + 2 : @indent
         else

src/float/printer/grisu3.cr

@@ -126,10 +126,10 @@ module Float::Printer::Grisu3
     # We need to do the following tests in this order to avoid over- and
     # underflows.
     while (
-            rest < small_distance &&    # Negated condition 1
- unsafe_interval - rest >= ten_kappa && # Negated condition 2
- (rest + ten_kappa < small_distance ||  # buffer{-1} > w_high
- small_distance - rest >= rest + ten_kappa - small_distance)
+            rest < small_distance &&               # Negated condition 1
+            unsafe_interval - rest >= ten_kappa && # Negated condition 2
+            (rest + ten_kappa < small_distance ||  # buffer{-1} > w_high
+            small_distance - rest >= rest + ten_kappa - small_distance)
           )
       buffer[length - 1] -= 1
       rest += ten_kappa