[PATCH] D146623: [compiler-rt] Fix signed integer overflow in int_mulo_impl.inc

[Karl-Johan Karlsson via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGff426a6250e9: [compiler-rt] Fix signed integer overflow in int_mulo_impl.inc (authored by Ka-Ka).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146623/new/

https://reviews.llvm.org/D146623

Files:
  compiler-rt/lib/builtins/int_mulo_impl.inc


Index: compiler-rt/lib/builtins/int_mulo_impl.inc
===================================================================
--- compiler-rt/lib/builtins/int_mulo_impl.inc
+++ compiler-rt/lib/builtins/int_mulo_impl.inc
@@ -21,7 +21,7 @@
   const fixint_t MIN = (fixint_t)((fixuint_t)1 << (N - 1));
   const fixint_t MAX = ~MIN;
   *overflow = 0;
-  fixint_t result = a * b;
+  fixint_t result = (fixuint_t)a * b;
   if (a == MIN) {
     if (b != 0 && b != 1)
       *overflow = 1;


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