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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/anon-struct-2.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/anon-struct-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/anon-struct-2.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/anon-struct-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/anon-struct-2.c new file mode 100644 index 000000000..4bd2d0f33 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/anon-struct-2.c @@ -0,0 +1,48 @@ +/* { dg-options "-std=gnu89" } */ +/* In GNU C mode, we recognize the anonymous struct/union extension, + but not Microsoft extensions. */ + +struct A { char a; }; + +/* MS extension. */ +struct B { + struct A; /* { dg-warning "does not declare anything" } */ + char b; +}; +char testB[sizeof(struct B) == sizeof(struct A) ? 1 : -1]; + +/* MS extension. */ +struct C { + struct D { char d; }; /* { dg-warning "does not declare anything" } */ + char c; +}; +char testC[sizeof(struct C) == sizeof(struct A) ? 1 : -1]; +char testD[sizeof(struct D) == sizeof(struct A) ? 1 : -1]; + +/* GNU extension. */ +struct E { + struct { char z; }; + char e; +}; +char testE[sizeof(struct E) == 2 * sizeof(struct A) ? 1 : -1]; + +/* MS extension. */ +typedef struct A typedef_A; +struct F { + typedef_A; /* { dg-warning "does not declare anything" } */ + char f; +}; +char testF[sizeof(struct F) == sizeof(struct A) ? 1 : -1]; + +/* Test that __extension__ does the right thing coming _from_ GNU C mode. */ +__extension__ struct G { + struct { char z; }; + char g; +}; +char testG[sizeof(struct G) == 2 * sizeof(struct A) ? 1 : -1]; + +struct H { + struct { char z; }; + char h; +}; +char testH[sizeof(struct H) == 2 * sizeof(struct A) ? 1 : -1]; |