Attachment 342475 Details for Bug 186536 – Patch

[patch] Patch

bug-186536-20180611175810.patch (text/plain), 3.15 KB, created by Michael Catanzaro on 2018-06-11 15:58:10 PDT

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Creator: Michael Catanzaro

Created: 2018-06-11 15:58:10 PDT

Size: 3.15 KB

patch

obsolete

>Subversion Revision: 232725
>diff --git a/Source/WTF/ChangeLog b/Source/WTF/ChangeLog
>index 43a7f596b05e11b11df643b8f033babe902fd461..cb2568cc7c12375a28b9d028b9bbcd87fb772e92 100644
>--- a/Source/WTF/ChangeLog
>+++ b/Source/WTF/ChangeLog
>@@ -1,3 +1,17 @@
>+2018-06-11  Michael Catanzaro  <mcatanzaro@igalia.com>
>+
>+        WTF's internal std::optional implementation should abort() on bad optional access
>+        https://bugs.webkit.org/show_bug.cgi?id=186536
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * wtf/Optional.h:
>+        (std::optional::operator ->):
>+        (std::optional::operator *):
>+        (std::optional::value const):
>+        (std::optional::value):
>+        (std::optional<T::value const):
>+
> 2018-06-11  Michael Saboff  <msaboff@apple.com>
> 
>         JavaScriptCore: Disable 32-bit JIT on Windows
>diff --git a/Source/WTF/wtf/Optional.h b/Source/WTF/wtf/Optional.h
>index 67ee27752ff908202b37ba85a71d1580f71b6101..e49ca85c536b92c7c9281bb8ad47805c86a3c103 100644
>--- a/Source/WTF/wtf/Optional.h
>+++ b/Source/WTF/wtf/Optional.h
>@@ -530,8 +530,7 @@ public:
>   }
> 
>   OPTIONAL_MUTABLE_CONSTEXPR T* operator ->() {
>-    // FIXME: We need to offer special assert function that can be used under the contexpr context.
>-    // CONSTEXPR_ASSERT(initialized());
>+    RELEASE_ASSERT(initialized());
>     return dataptr();
>   }
> 
>@@ -540,32 +539,27 @@ public:
>   }
> 
>   OPTIONAL_MUTABLE_CONSTEXPR T& operator *() & {
>-    // FIXME: We need to offer special assert function that can be used under the contexpr context.
>-    // CONSTEXPR_ASSERT(initialized());
>+    RELEASE_ASSERT(initialized());
>     return contained_val();
>   }
> 
>   OPTIONAL_MUTABLE_CONSTEXPR T&& operator *() && {
>-    // FIXME: We need to offer special assert function that can be used under the contexpr context.
>-    // CONSTEXPR_ASSERT(initialized());
>+    RELEASE_ASSERT(initialized());
>     return detail_::constexpr_move(contained_val());
>   }
> 
>   constexpr T const& value() const& {
>-    // FIXME: We need to offer special assert function that can be used under the contexpr context.
>-    // return initialized() ? contained_val() : (throw bad_optional_access("bad optional access"), contained_val());
>+    RELEASE_ASSERT(initialized());
>     return contained_val();
>   }
> 
>   OPTIONAL_MUTABLE_CONSTEXPR T& value() & {
>-    // FIXME: We need to offer special assert function that can be used under the contexpr context.
>-    // return initialized() ? contained_val() : (throw bad_optional_access("bad optional access"), contained_val());
>+    RELEASE_ASSERT(initialized());
>     return contained_val();
>   }
> 
>   OPTIONAL_MUTABLE_CONSTEXPR T&& value() && {
>-    // FIXME: We need to offer special assert function that can be used under the contexpr context.
>-    // if (!initialized()) __THROW_EXCEPTION(bad_optional_access("bad optional access"));
>+    RELEASE_ASSERT(initialized());
>     return std::move(contained_val());
>   }
> 
>@@ -683,8 +677,7 @@ public:
>   }
> 
>   constexpr T& value() const {
>-    // FIXME: We need to offer special assert function that can be used under the contexpr context.
>-    // return ref ? *ref : (throw bad_optional_access("bad optional access"), *ref);
>+    RELEASE_ASSERT(ref);
>     return *ref;
>   }
>

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