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-rw-r--r--gcc/testsuite/g++.dg/ext/builtin6.C11
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/builtin6.C b/gcc/testsuite/g++.dg/ext/builtin6.C
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+++ b/gcc/testsuite/g++.dg/ext/builtin6.C
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+// PR c++/19044
+// Verify that alternate asm name for builtin named "foo" also gets
+// applied to its sibling "__builtin_foo".
+
+// { dg-do compile }
+// { dg-final { scan-assembler "fancy_sin" } }
+
+extern "C" double sin(double) __asm("_fancy_sin");
+
+double foo(double x) { return __builtin_sin(x); }
+