new post on evaluating types-as-contracts

[web.git] / ralf / _posts / 2017-07-14-undefined-behavior.md

diff --git a/ralf/_posts/2017-07-14-undefined-behavior.md b/ralf/_posts/2017-07-14-undefined-behavior.md
index 77e73151c18cbd644430cc8bbc883eeb8829bca0..46356689dfa90848d28f5d5b387758fc334bc2b3 100644 (file)
--- a/ralf/_posts/2017-07-14-undefined-behavior.md
+++ b/ralf/_posts/2017-07-14-undefined-behavior.md
@@ -8,7 +8,7 @@ So, finally, just one year later, this post is my take at what the purpose of th
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 Warning:  This post may contain opinions.  You have been warned.
 
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 Warning:  This post may contain opinions.  You have been warned.
 

-## When are optimizations legal?
+## When are Optimizations Legal?

 
 Currently, we have a pretty good understanding of what the intended behavior of *safe* Rust is.
 That is, there is general agreement (modulo some [bugs](https://github.com/rust-lang/rust/issues/27868)) about the order in which operations are to be performed, and about what each individual operation does.
 
 Currently, we have a pretty good understanding of what the intended behavior of *safe* Rust is.
 That is, there is general agreement (modulo some [bugs](https://github.com/rust-lang/rust/issues/27868)) about the order in which operations are to be performed, and about what each individual operation does.


@@ -37,7 +37,7 @@ After all, if there is any execution for which the assumption does *not* hold, t
 Now, it turns out that it is often really hard to obtain precise aliasing information.
 This could be the end of the game:  No alias information, no way to verify our assumptions, no optimizations.
 
 Now, it turns out that it is often really hard to obtain precise aliasing information.
 This could be the end of the game:  No alias information, no way to verify our assumptions, no optimizations.
 

-## Shifting responsibility
+## Shifting Responsibility

 
 However, it turns out that compiler writers consider these optimizations important enough that they came up with an alternative solution:
 Instead of having the compiler verify such assumptions, they declared the programmer responsible.
 
 However, it turns out that compiler writers consider these optimizations important enough that they came up with an alternative solution:
 Instead of having the compiler verify such assumptions, they declared the programmer responsible.