================
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -verify -fsyntax-only -std=c2x -triple=x86_64-unknown-linux
%s
+
+// Regression test for bug where we used to hit assertion due to shift amount
+// being larger than 64 bits. We want to see a warning about too large shift
+// amount.
+void test1(int *a)
+{
+ (void)(*a >> 123456789012345678901uwb <= 0); // expected-warning {{shift
count >= width of type}}
+}
+
+// Similar to test1 above, but using __uint128_t instead of __BitInt.
+// We want to see a warning about too large shift amount.
+void test2(__uint128_t *a)
+{
+ (void)(*a >> ((__uint128_t)__UINT64_MAX__ + (__uint128_t)1) <= 0); //
expected-warning {{shift count >= width of type}}
----------------
erichkeane wrote:
2nd uint128_t cast shouldn't be necessary
https://github.com/llvm/llvm-project/pull/68590
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
