Package: gcc-4.7
Version: 4.7.1-6
Severity: minor
The following invalid C code triggers an segmentation fault
in gcc-4.7:
cat > t.c <<'EOF'
struct bla{char **a;};void test(void){struct bla b = {.a =(char**){"a","b"}};}
EOF
gcc -c t.c
results in:
| t.c: In function ‘test’:
| t.c:1:46: warning: initialization from incompatible pointer type [enabled by
default]
| t.c:1:46: warning: (near initialization for ‘(anonymous)’) [enabled by
default]
| t.c:1:46: warning: excess elements in scalar initializer [enabled by default]
| t.c:1:46: warning: (near initialization for ‘(anonymous)’) [enabled by
default]
| t.c:1:50: internal compiler error: Segmentation fault
| Please submit a full bug report,
while gcc-snapshot 20120714-1 says:
| t.c: In function 'test':
| t.c:1:46: warning: initialization from incompatible pointer type [enabled by
default]
| struct bla{char **a;};void test(void){struct bla b = {.a
=(char**){"a","b"}};}
| ^
| t.c:1:46: warning: (near initialization for '(anonymous)') [enabled by
default]
| t.c:1:46: warning: excess elements in scalar initializer [enabled by default]
| t.c:1:46: warning: (near initialization for '(anonymous)') [enabled by
default]
| t.c:1:50: internal compiler error: tree check: expected constructor, have
nop_expr in optimize_compound_literals_in_ctor, at gimplify.c:3855
| struct bla{char **a;};void test(void){struct bla b = {.a
=(char**){"a","b"}};}
| ^
| Please submit a full bug report,
-- System Information:
Debian Release: wheezy/sid
Architecture: amd64 (x86_64)
Versions of packages gcc-4.7 depends on:
ii binutils 2.22-7.1
ii cpp-4.7 4.7.1-6
ii gcc-4.7-base 4.7.1-6
ii libc6 2.13-35
ii libgcc1 1:4.7.1-6
ii libgmp10 2:5.0.5+dfsg-2
ii libgomp1 4.7.1-6
ii libitm1 4.7.1-6
ii libmpc2 0.9-4
ii libmpfr4 3.1.0-5
ii libquadmath0 4.7.1-6
ii zlib1g 1:1.2.7.dfsg-13
Versions of packages gcc-4.7 recommends:
ii libc6-dev 2.13-35
Versions of packages gcc-4.7 suggests:
pn binutils-gold <none>
pn gcc-4.7-doc <none>
pn gcc-4.7-locales <none>
ii gcc-4.7-multilib 4.7.1-6
pn libgcc1-dbg <none>
pn libgomp1-dbg <none>
pn libitm1-dbg <none>
pn libmudflap0-4.7-dev <none>
pn libmudflap0-dbg <none>
pn libquadmath0-dbg <none>
-- no debconf information
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