stage1: Fix signed multiplication overflow

Spotted thanks to UBSan
2020-04-19 11:38:42 +02:00 · 2020-04-19 11:38:42 +02:00 · 328eb8ed8d
commit 328eb8ed8d
parent 051620dcaf
1 changed files with 3 additions and 3 deletions
--- a/src/glibc.cpp
+++ b/src/glibc.cpp
@ -362,9 +362,9 @@ Error glibc_build_dummies_and_maps(CodeGen *g, const ZigGLibCAbi *glibc_abi, con
 }

 uint32_t hash_glibc_target(const ZigTarget *x) {
-    return x->arch * 3250106448 +
-        x->os * 542534372 +
-        x->abi * 59162639;
+    return x->arch * (uint32_t)3250106448 +
+        x->os * (uint32_t)542534372 +
+        x->abi * (uint32_t)59162639;
 }

 bool eql_glibc_target(const ZigTarget *a, const ZigTarget *b) {