[PATCH 1/4] webkit2gtk: add stack-size patch

[Quentin Rameau <quinq@fifth.space>]

Taken from Gentoo musl overlay.

This is just plaster and a better fix would be to set stacksize
according to the JavaScriptCore needs on request.
---
 srcpkgs/webkit2gtk/patches/fix-stacksize.patch | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 srcpkgs/webkit2gtk/patches/fix-stacksize.patch

diff --git a/srcpkgs/webkit2gtk/patches/fix-stacksize.patch b/srcpkgs/webkit2gtk/patches/fix-stacksize.patch
new file mode 100644
index 0000000000..987d7f3c83
--- /dev/null
+++ b/srcpkgs/webkit2gtk/patches/fix-stacksize.patch
@@ -0,0 +1,15 @@
+--- Source/JavaScriptCore/runtime/Options.h.orig	2018-04-13 13:23:28.147699729 +0200
++++ Source/JavaScriptCore/runtime/Options.h	2018-04-13 13:24:24.256969737 +0200
+@@ -126,9 +126,9 @@ constexpr bool enableAsyncIteration = fa
+     \
+     v(bool, reportMustSucceedExecutableAllocations, false, Normal, nullptr) \
+     \
+-    v(unsigned, maxPerThreadStackUsage, 4 * MB, Normal, "Max allowed stack usage by the VM") \
+-    v(unsigned, softReservedZoneSize, 128 * KB, Normal, "A buffer greater than reservedZoneSize that reserves space for stringifying exceptions.") \
+-    v(unsigned, reservedZoneSize, 64 * KB, Normal, "The amount of stack space we guarantee to our clients (and to interal VM code that does not call out to clients).") \
++    v(unsigned, maxPerThreadStackUsage, 80 * KB, Normal, "Max allowed stack usage by the VM") \
++    v(unsigned, softReservedZoneSize, 32 * KB, Normal, "A buffer greater than reservedZoneSize that reserves space for stringifying exceptions.") \
++    v(unsigned, reservedZoneSize, 16 * KB, Normal, "The amount of stack space we guarantee to our clients (and to interal VM code that does not call out to clients).") \
+     \
+     v(bool, crashIfCantAllocateJITMemory, false, Normal, nullptr) \
+     v(unsigned, jitMemoryReservationSize, 0, Normal, "Set this number to change the executable allocation size in ExecutableAllocatorFixedVMPool. (In bytes.)") \
-- 
2.17.1