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new testcase for PR1421

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llvm-svn: 37356
This commit is contained in:
Chris Lattner 2007-05-30 05:37:18 +00:00
parent b306dfb861
commit 3fdd243182
1 changed files with 18 additions and 0 deletions
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test/CFrontend/2007-05-29-UnionCopy.c Normal file
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// RUN: %llvmgcc -S -o - -emit-llvm %s | grep memcpy
// PR1421
struct A {
char c;
int i;
};
struct B {
int c;
unsigned char x;
};
union U { struct A a; struct B b; };
void check(union U *u, union U *v) {
*u = *v;
}