diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/eh/async-unwind1.C')
-rw-r--r-- | gcc/testsuite/g++.dg/eh/async-unwind1.C | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/eh/async-unwind1.C b/gcc/testsuite/g++.dg/eh/async-unwind1.C new file mode 100644 index 000000000..69b2c345e --- /dev/null +++ b/gcc/testsuite/g++.dg/eh/async-unwind1.C @@ -0,0 +1,61 @@ +// PR rtl-optimization/36419 +// { dg-do run { target { { i?86-*-* x86_64-*-* } && ilp32 } } } +// { dg-options "-Os -fasynchronous-unwind-tables -mpreferred-stack-boundary=4" } + +extern "C" void abort (); + +int v = -1; +unsigned int n; + +__attribute__((noinline, used)) +void foo (int a, int) +{ + if (v < 0) + v = ((unsigned long) &a) & 15; + else if ((((unsigned long) &a) & 15) != v) + abort (); + if (n++ == 0) + throw 1; +} + +__attribute__((noinline, used)) +void baz (int a, int, int, int, int, int, int) +{ + if (v < 0) + v = ((unsigned long) &a) & 15; + else if ((((unsigned long) &a) & 15) != v) + abort (); + if (n++ == 0) + throw 1; +} + +struct A { A () { }; ~A (); char c[24]; }; + +__attribute__((noinline)) +A::~A () +{ + asm volatile ("" : : : "memory"); +} + +__attribute__((noinline)) +void bar () +{ + A a; + try + { + foo (1, 2); + baz (3, 4, 5, 6, 7, 8, 9); + } + catch (...) + { + } + foo (1, 2); + baz (3, 4, 5, 6, 7, 8, 9); +} + +int +main () +{ + bar (); + return 0; +} |